Forums - mersenneforum.org

Directory	Topics	Posts	Last Post
New To GIMPS? Start Here!
Information & Answers Topics: 1,523 Posts: 13,972 Last Post: Lurkers! Please introduce yourselves.	1,523	13,972	Lurkers! Please introduce yourselves. by titanV 2025-01-14, 02:44
Homework Help Topics: 224 Posts: 2,835 Last Post: Doubt on paper about solving sextic polynomials in roots	224	2,835	Doubt on paper about solving sextic polynomials in roots by alpertron 2025-01-19, 02:23
Fun Stuff
Lounge Topics: 1,754 Posts: 61,210 Last Post: The Happy Me Thread	1,754	61,210	The Happy Me Thread by Dr Sardonicus 2025-01-17, 21:25
Puzzles Topics: 949 Posts: 16,810 Last Post: Ponder This - January 2025	949	16,810	Ponder This - January 2025 by KangJ 2025-01-16, 17:56
Great Internet Mersenne Prime Search
News https://www.mersenne.org/ Topics: 29 Posts: 5,938 Last Post: mersenne.org offline	29	5,938	mersenne.org offline by cxc 2025-01-19, 00:42
Hardware Topics: 2,232 Posts: 54,401	2,232	54,401
PrimeNet https://www.mersenne.org/primenet/ Topics: 1,563 Posts: 36,743 Last Post: Primenet Server - Official Maintenance Thread	1,563	36,743	Primenet Server - Official Maintenance Thread by Madpoo 2025-01-18, 22:01
Software https://www.mersenne.org/freesoft.htm Topics: 2,285 Posts: 35,035 Last Post: Benchmarking specific FFT implementations	2,285	35,035	Benchmarking specific FFT implementations by Dossiie 2025-01-19, 02:34
Math Topics: 1,284 Posts: 16,963 Last Post: Handbook of big number multiplication, exponentiation and factorization	1,284	16,963	Handbook of big number multiplication, exponentiation and factorization by titanV 2025-01-15, 23:00
Data Topics: 692 Posts: 24,360 Last Post: Anonymous making great process in 75-77 M range	692	24,360	Anonymous making great process in 75-77 M range by garo 2025-01-15, 20:15
Prime Search Projects
Conjectures 'R Us http://www.noprimeleftbehind.net/crus/ Topics: 174 Posts: 27,070 Last Post: Bases 6-32 reservations/statuses/primes	174	27,070	Bases 6-32 reservations/statuses/primes by rebirther 2025-01-18, 23:08
Riesel Prime Search Topics: 217 Posts: 19,678 Last Post: RPS k>300 reservations/status/small primes (choose your own k)	217	19,678	RPS k>300 reservations/status/small primes (choose your own k) by gd_barnes 2025-01-14, 19:32
No Prime Left Behind http://www.noprimeleftbehind.net/ Topics: 198 Posts: 15,550 Last Post: Report top-5000 primes for all k<=1001	198	15,550	Report top-5000 primes for all k<=1001 by gd_barnes 2025-01-17, 22:46
Twin Prime Search http://www.noprimeleftbehind.net/tps/ Topics: 131 Posts: 4,815 Last Post: n=480480 twin/Sophie search	131	4,815	n=480480 twin/Sophie search by odicin 2025-01-18, 10:46
Sierpinski/Riesel Base 5 http://www.sr5.psp-project.de/ Topics: 147 Posts: 3,051 Last Post: Sierpinski and Riesel number (Fixed k, Variable base)	147	3,051	Sierpinski and Riesel number (Fixed k, Variable base) by Universe0005 2024-10-31, 14:39
Five or Bust - The Dual Sierpinski Problem Topics: 24 Posts: 919 Last Post: The probable primes	24	919	The probable primes by philmoore 2024-12-15, 17:13
Proth Prime Search http://www.prothsearch.com/ Topics: 29 Posts: 510 Last Post: Proth primes	29	510	Proth primes by HermannSW 2024-12-30, 17:13
Wagstaff PRP Search https://web.archive.org/web/20211031110623/http://mprime.s3-website.us-west-1.amazonaws.com/wagstaff/ Topics: 20 Posts: 794 Last Post: A mathematical reminder	20	794	A mathematical reminder by charybdis 2024-10-24, 20:33
Prime Gap Searches Topics: 102 Posts: 5,890 Last Post: Prime Gap News	102	5,890	Prime Gap News by SethTro 2025-01-13, 23:13
And now for something completely different Topics: 112 Posts: 4,601 Last Post: Primes Arithmetic Progression (PAP) and CPAP	112	4,601	Primes Arithmetic Progression (PAP) and CPAP by Cybertronic 2025-01-14, 06:37
Factoring Projects
Factoring Topics: 1,033 Posts: 27,308 Last Post: Integer Factorization As a Service	1,033	27,308	Integer Factorization As a Service by charybdis 2025-01-17, 20:54
CADO-NFS http://cado-nfs.gforge.inria.fr/ Topics: 58 Posts: 1,638 Last Post: CADO help	58	1,638	CADO help by mehrati2019 2025-01-14, 09:09
Msieve https://sourceforge.net/projects/msieve/ Topics: 370 Posts: 10,953 Last Post: Best msieve poly scores	370	10,953	Best msieve poly scores by VBCurtis 2025-01-11, 15:54
YAFU https://github.com/bbuhrow/yafu Topics: 203 Posts: 5,660 Last Post: YAFU version 2.12	203	5,660	YAFU version 2.12 by bsquared 2025-01-12, 16:41
NFS@Home http://escatter11.fullerton.edu/nfs/ Topics: 134 Posts: 17,000 Last Post: 2025 - 14d Queue Management	134	17,000	2025 - 14d Queue Management by RichD 2025-01-18, 04:58
Aliquot Sequences https://www.rechenkraft.net/aliquot/AllSeq.html Topics: 332 Posts: 29,637 Last Post: The Lehmer Five: Sequence 660	332	29,637	The Lehmer Five: Sequence 660 by VBCurtis 2025-01-18, 23:51
Lone Mersenne Hunters Topics: 623 Posts: 9,627 Last Post: Found a factor? Post it here. Or forever sneeze your cold.	623	9,627	Found a factor? Post it here. Or forever sneeze your cold. by James Heinrich 2025-01-17, 14:33
Cunningham Tables http://homes.cerias.purdue.edu/~ssw/cun/ Topics: 92 Posts: 5,793 Last Post: Cunningham ECM efforts	92	5,793	Cunningham ECM efforts by paulunderwood 2025-01-17, 17:25
GMP-ECM http://www.loria.fr/~zimmerma/records/ecmnet.html Topics: 307 Posts: 4,836 Last Post: Can ecmpi be used for stage 2 only processing?	307	4,836	Can ecmpi be used for stage 2 only processing? by EdH 2025-01-07, 00:05
FactorDB http://www.factordb.com/ Topics: 110 Posts: 5,360 Last Post: Current reservations and scripts running	110	5,360	Current reservations and scripts running by EdH 2025-01-19, 03:49
Odd Perfect Number search (OPN) https://mathworld.wolfram.com/OddPerfectNumber.html Topics: 17 Posts: 2,038 Last Post: OPNs on youtube	17	2,038	OPNs on youtube by MDaniello 2025-01-18, 12:11
Operation Billion Digits https://www.mersenne.ca/obd Topics: 59 Posts: 3,344 Last Post: OBD levels progress history	59	3,344	OBD levels progress history by kriesel 2024-12-27, 12:28
Operazione Doppi Mersennes http://www.doublemersennes.org/ Topics: 50 Posts: 3,131 Last Post: News from sub-project Deep Sieving	50	3,131	News from sub-project Deep Sieving by ET_ 2025-01-06, 12:16
Operation Kibibit http://en.wikipedia.org/wiki/RSA-1024 Topics: 11 Posts: 513 Last Post: Before you start...	11	513	Before you start... by jasonp 2024-09-12, 19:13
XYYXF Project http://www.primefan.ru/xyyxf/default.html Topics: 21 Posts: 2,248 Last Post: Ready GNFS targets	21	2,248	Ready GNFS targets by swellman 2025-01-06, 14:08
FermatSearch http://www.fermatsearch.org/ Topics: 56 Posts: 1,414 Last Post: gfn results	56	1,414	gfn results by Gary 2025-01-16, 17:42
Math Stuff
Computer Science & Computational Number Theory Topics: 163 Posts: 6,285 Last Post: Question on the base notation	163	6,285	Question on the base notation by titanV 2025-01-18, 09:50
Other Mathematical Topics Topics: 82 Posts: 1,280 Last Post: New Way to Count Prime Numbers	82	1,280	New Way to Count Prime Numbers by HermannSW 2024-12-11, 19:06
Probability & Probabilistic Number Theory Topics: 11 Posts: 154 Last Post: A Restricted Domain Lucas Probable Prime Test paper	11	154	A Restricted Domain Lucas Probable Prime Test paper by paulunderwood 2024-09-10, 22:50
Abstract Algebra & Algebraic Number Theory Topics: 28 Posts: 152 Last Post: largest n such that n^2+1 has prime factors within a set	28	152	largest n such that n^2+1 has prime factors within a set by bhelmes 2024-06-27, 01:50
Analysis & Analytic Number Theory Topics: 13 Posts: 109 Last Post: repost: from NMBRTHRY, by Richard Boland	13	109	repost: from NMBRTHRY, by Richard Boland by Batalov 2024-04-28, 00:00
Combinatorics & Combinatorial Number Theory Topics: 5 Posts: 26 Last Post: is the factorisation of Mp-1 an advantage ?	5	26	is the factorisation of Mp-1 an advantage ? by LaurV 2021-02-24, 02:31
Tales From the Crypt(o) uggcf://ra.jvxvcrqvn.bet/jvxv/Gnyrf_sebz_gur_Pelcg_(GI_frevrf) Topics: 16 Posts: 617 Last Post: Switch it off and boot safe mode	16	617	Switch it off and boot safe mode by xilman 2024-07-20, 13:48
Extra Stuff
Soap Box Topics: 547 Posts: 34,167 Last Post: The Ongoing Genocide in Gaza	547	34,167	The Ongoing Genocide in Gaza by Dr Sardonicus 2025-01-18, 22:51
Miscellaneous Math http://primes.utm.edu/notes/crackpot.html Topics: 984 Posts: 21,348 Last Post: Cubic with square discriminant test	984	21,348	Cubic with square discriminant test by axn 2025-01-15, 05:05
Science & Technology Topics: 242 Posts: 11,064 Last Post: Official "Science News" Thread	242	11,064	Official "Science News" Thread by rogue 2025-01-13, 23:40
Hobbies Topics: 612 Posts: 10,035	612	10,035
Programming Topics: 406 Posts: 5,583 Last Post: Animation for Ulam spiral and Gaussian prime web applications	406	5,583	Animation for Ulam spiral and Gaussian prime web applications by titanV 2025-01-19, 02:34
Linux Topics: 224 Posts: 2,085 Last Post: New User Question	224	2,085	New User Question by richs 2024-10-31, 21:01
Languages -- Ancient & Modern, Human & Machine Topics: 19 Posts: 459 Last Post: Foreign words with a twist	19	459	Foreign words with a twist by xilman 2025-01-15, 13:19
Blogorrhea Topics: 1,045 Posts: 18,247	1,045	18,247
Other Stuff
Archived Projects Topics: 694 Posts: 9,845	694	9,845
Forum Feedback https://www.mersenneforum.org/ Topics: 346 Posts: 6,324 Last Post: Forum software upgrade issues (was: Theme changes?)	346	6,324	Forum software upgrade issues (was: Theme changes?) by cxc 2025-01-07, 21:06
Open Projects Topics: 56 Posts: 1,673	56	1,673
Pining for the Fjords https://en.wikipedia.org/wiki/Dead_Parrot_sketch Topics: 4 Posts: 118 Last Post: RIP: Ernst Mayer (ewmayer)	4	118	RIP: Ernst Mayer (ewmayer) by kriesel 2024-10-16, 21:22
Wikis Topics: 60 Posts: 1,297	60	1,297
Flea Market Topics: 2 Posts: 5 Last Post: FREE - Obsolete (?) memory	2	5	FREE - Obsolete (?) memory by Xyzzy 2024-04-28, 23:34

Lounge

Topics: 1,754 Posts: 61,210

Last Post: The Happy Me Thread

1,754

61,210

The Happy Me Thread

by Dr Sardonicus

2025-01-17, 21:25

Puzzles

Topics: 949 Posts: 16,810

Last Post: Ponder This - January 2025

949

16,810

Ponder This - January 2025

by KangJ

2025-01-16, 17:56

News

https://www.mersenne.org/

Topics: 29 Posts: 5,938

Last Post: mersenne.org offline

5,938

mersenne.org offline

by cxc

2025-01-19, 00:42

Hardware

Topics: 2,232 Posts: 54,401

2,232

54,401

PrimeNet

https://www.mersenne.org/primenet/

Topics: 1,563 Posts: 36,743

Last Post: Primenet Server - Official Maintenance Thread

1,563

36,743

Primenet Server - Official Maintenance Thread

by Madpoo

2025-01-18, 22:01

Software

https://www.mersenne.org/freesoft.htm

Topics: 2,285 Posts: 35,035

Last Post: Benchmarking specific FFT implementations

2,285

35,035

Benchmarking specific FFT implementations

by Dossiie

2025-01-19, 02:34

Math

Topics: 1,284 Posts: 16,963

Last Post: Handbook of big number multiplication, exponentiation and factorization

1,284

16,963

Handbook of big number multiplication, exponentiation and factorization

by titanV

2025-01-15, 23:00

Data

Topics: 692 Posts: 24,360

Last Post: Anonymous making great process in 75-77 M range

692

24,360

Anonymous making great process in 75-77 M range

by garo

2025-01-15, 20:15

Conjectures 'R Us

http://www.noprimeleftbehind.net/crus/

Topics: 174 Posts: 27,070

Last Post: Bases 6-32 reservations/statuses/primes

174

27,070

Bases 6-32 reservations/statuses/primes

by rebirther

2025-01-18, 23:08

Riesel Prime Search

Topics: 217 Posts: 19,678

Last Post: RPS k>300 reservations/status/small primes (choose your own k)

217

19,678

RPS k>300 reservations/status/small primes (choose your own k)

by gd_barnes

2025-01-14, 19:32

No Prime Left Behind

http://www.noprimeleftbehind.net/

Topics: 198 Posts: 15,550

Last Post: Report top-5000 primes for all k<=1001

198

15,550

Report top-5000 primes for all k<=1001

by gd_barnes

2025-01-17, 22:46

Twin Prime Search

http://www.noprimeleftbehind.net/tps/

Topics: 131 Posts: 4,815

Last Post: n=480480 twin/Sophie search

131

4,815

n=480480 twin/Sophie search

by odicin

2025-01-18, 10:46

Sierpinski/Riesel Base 5

http://www.sr5.psp-project.de/

Topics: 147 Posts: 3,051

Last Post: Sierpinski and Riesel number (Fixed k, Variable base)

147

3,051

Sierpinski and Riesel number (Fixed k, Variable base)

by Universe0005

2024-10-31, 14:39

Five or Bust - The Dual Sierpinski Problem

Topics: 24 Posts: 919

Last Post: The probable primes

919

The probable primes

by philmoore

2024-12-15, 17:13

Proth Prime Search

http://www.prothsearch.com/

Topics: 29 Posts: 510

Last Post: Proth primes

510

Proth primes

by HermannSW

2024-12-30, 17:13

Wagstaff PRP Search

https://web.archive.org/web/20211031110623/http://mprime.s3-website.us-west-1.amazonaws.com/wagstaff/

Topics: 20 Posts: 794

Last Post: A mathematical reminder

794

A mathematical reminder

by charybdis

2024-10-24, 20:33

Prime Gap Searches

Topics: 102 Posts: 5,890

Last Post: Prime Gap News

102

5,890

Prime Gap News

by SethTro

2025-01-13, 23:13

And now for something completely different

Topics: 112 Posts: 4,601

Last Post: Primes Arithmetic Progression (PAP) and CPAP

112

4,601

Primes Arithmetic Progression (PAP) and CPAP

by Cybertronic

2025-01-14, 06:37

Factoring

Topics: 1,033 Posts: 27,308

Last Post: Integer Factorization As a Service

1,033

27,308

Integer Factorization As a Service

by charybdis

2025-01-17, 20:54

CADO-NFS

http://cado-nfs.gforge.inria.fr/

Topics: 58 Posts: 1,638

Last Post: CADO help

1,638

CADO help

by mehrati2019

2025-01-14, 09:09

Msieve

https://sourceforge.net/projects/msieve/

Topics: 370 Posts: 10,953

Last Post: Best msieve poly scores

370

10,953

Best msieve poly scores

by VBCurtis

2025-01-11, 15:54

YAFU

https://github.com/bbuhrow/yafu

Topics: 203 Posts: 5,660

Last Post: YAFU version 2.12

203

5,660

YAFU version 2.12

by bsquared

2025-01-12, 16:41

NFS@Home

http://escatter11.fullerton.edu/nfs/

Topics: 134 Posts: 17,000

Last Post: 2025 - 14d Queue Management

134

17,000

2025 - 14d Queue Management

by RichD

2025-01-18, 04:58

Aliquot Sequences

https://www.rechenkraft.net/aliquot/AllSeq.html

Topics: 332 Posts: 29,637

Last Post: The Lehmer Five: Sequence 660

332

29,637

The Lehmer Five: Sequence 660

by VBCurtis

2025-01-18, 23:51

Lone Mersenne Hunters

Topics: 623 Posts: 9,627

Last Post: Found a factor? Post it here. Or forever sneeze your cold.

623

9,627

Found a factor? Post it here. Or forever sneeze your cold.

by James Heinrich

2025-01-17, 14:33

Cunningham Tables

http://homes.cerias.purdue.edu/~ssw/cun/

Topics: 92 Posts: 5,793

Last Post: Cunningham ECM efforts

5,793

Cunningham ECM efforts

by paulunderwood

2025-01-17, 17:25

GMP-ECM

http://www.loria.fr/~zimmerma/records/ecmnet.html

Topics: 307 Posts: 4,836

Last Post: Can ecmpi be used for stage 2 only processing?

307

4,836

Can ecmpi be used for stage 2 only processing?

by EdH

2025-01-07, 00:05

FactorDB

http://www.factordb.com/

Topics: 110 Posts: 5,360

Last Post: Current reservations and scripts running

110

5,360

Current reservations and scripts running

by EdH

2025-01-19, 03:49

Odd Perfect Number search (OPN)

https://mathworld.wolfram.com/OddPerfectNumber.html

Topics: 17 Posts: 2,038

Last Post: OPNs on youtube

2,038

OPNs on youtube

by MDaniello

2025-01-18, 12:11

Operation Billion Digits

https://www.mersenne.ca/obd

Topics: 59 Posts: 3,344

Last Post: OBD levels progress history

3,344

OBD levels progress history

by kriesel

2024-12-27, 12:28

Operazione Doppi Mersennes

http://www.doublemersennes.org/

Topics: 50 Posts: 3,131

Last Post: News from sub-project Deep Sieving

3,131

News from sub-project Deep Sieving

by ET_

2025-01-06, 12:16

Operation Kibibit

http://en.wikipedia.org/wiki/RSA-1024

Topics: 11 Posts: 513

Last Post: Before you start...

513

Before you start...

by jasonp

2024-09-12, 19:13

XYYXF Project

http://www.primefan.ru/xyyxf/default.html

Topics: 21 Posts: 2,248

Last Post: Ready GNFS targets

2,248

Ready GNFS targets

by swellman

2025-01-06, 14:08

FermatSearch

http://www.fermatsearch.org/

Topics: 56 Posts: 1,414

Last Post: gfn results

1,414

gfn results

by Gary

2025-01-16, 17:42

Computer Science & Computational Number Theory

Topics: 163 Posts: 6,285

Last Post: Question on the base notation

163

6,285

Question on the base notation

by titanV

2025-01-18, 09:50

Other Mathematical Topics

Topics: 82 Posts: 1,280

Last Post: New Way to Count Prime Numbers

1,280

New Way to Count Prime Numbers

by HermannSW

2024-12-11, 19:06

Probability & Probabilistic Number Theory

Topics: 11 Posts: 154

Last Post: A Restricted Domain Lucas Probable Prime Test paper

154

A Restricted Domain Lucas Probable Prime Test paper

by paulunderwood

2024-09-10, 22:50

Abstract Algebra & Algebraic Number Theory

Topics: 28 Posts: 152

Last Post: largest n such that n^2+1 has prime factors within a set

152

largest n such that n^2+1 has prime factors within a set

by bhelmes

2024-06-27, 01:50

Analysis & Analytic Number Theory

Topics: 13 Posts: 109

Last Post: repost: from NMBRTHRY, by Richard Boland

109

repost: from NMBRTHRY, by Richard Boland

by Batalov

2024-04-28, 00:00

Combinatorics & Combinatorial Number Theory

Topics: 5 Posts: 26

Last Post: is the factorisation of Mp-1 an advantage ?

is the factorisation of Mp-1 an advantage ?

by LaurV

2021-02-24, 02:31

Tales From the Crypt(o)

uggcf://ra.jvxvcrqvn.bet/jvxv/Gnyrf_sebz_gur_Pelcg_(GI_frevrf)

Topics: 16 Posts: 617

Last Post: Switch it off and boot safe mode

617

Switch it off and boot safe mode

by xilman

2024-07-20, 13:48

Soap Box

Topics: 547 Posts: 34,167

Last Post: The Ongoing Genocide in Gaza

547

34,167

The Ongoing Genocide in Gaza

by Dr Sardonicus

2025-01-18, 22:51

Miscellaneous Math

http://primes.utm.edu/notes/crackpot.html

Topics: 984 Posts: 21,348

Last Post: Cubic with square discriminant test

984

21,348

Cubic with square discriminant test

by axn

2025-01-15, 05:05

Science & Technology

Topics: 242 Posts: 11,064

Last Post: Official "Science News" Thread

242

11,064

Official "Science News" Thread

by rogue

2025-01-13, 23:40

Hobbies

Topics: 612 Posts: 10,035

612

10,035

Programming

Topics: 406 Posts: 5,583

Last Post: Animation for Ulam spiral and Gaussian prime web applications

406

5,583

Animation for Ulam spiral and Gaussian prime web applications

by titanV

2025-01-19, 02:34

Linux

Topics: 224 Posts: 2,085

Last Post: New User Question

224

2,085

New User Question

by richs

2024-10-31, 21:01

Languages -- Ancient & Modern, Human & Machine

Topics: 19 Posts: 459

Last Post: Foreign words with a twist

459

Foreign words with a twist

by xilman

2025-01-15, 13:19

Blogorrhea

Topics: 1,045 Posts: 18,247

1,045

18,247

Archived Projects

Topics: 694 Posts: 9,845

694

9,845

Forum Feedback

https://www.mersenneforum.org/

Topics: 346 Posts: 6,324

Last Post: Forum software upgrade issues (was: Theme changes?)

346

6,324

Forum software upgrade issues (was: Theme changes?)

by cxc

2025-01-07, 21:06

Open Projects

Topics: 56 Posts: 1,673

1,673

Pining for the Fjords

https://en.wikipedia.org/wiki/Dead_Parrot_sketch

Topics: 4 Posts: 118

Last Post: RIP: Ernst Mayer (ewmayer)

118

RIP: Ernst Mayer (ewmayer)

by kriesel

2024-10-16, 21:22

Wikis

Topics: 60 Posts: 1,297

1,297

What's Going On?

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