Create prime.java

adeebkm · web-flow · commit d985aac52a54 · 2021-11-15T19:17:40.000+05:30
diff --git a/prime.java b/prime.java
@@ -0,0 +1,33 @@
+
+
+import java.util.Scanner;
+
+public class prime {
+    public static void main(String[] arg) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("enter the number to check");
+        int n = sc.nextInt();
+        int flag = 0;
+        for (int i = 2;
+             i <= n / 2;
+             i++) {
+            if (n % i == 0) {
+                flag = 1;
+                break;
+
+            } else {
+                flag = 0;
+            }
+        }
+        if (flag == 1) {
+            System.out.println("the number is not prime number");
+        } else if (n != 1 && n != 0) {
+            System.out.println("entered number is a prime number");
+        } else {
+            System.out.println("entered number is neither prime nor composite");
+        }
+
+    }
+}
+
+
