prime in java
public class Prime { public static void main(String[] args) { int num = 29; boolean flag = false; for(int i = 2; i <= num/2; ++i){ if(num % i == 0){ flag = true; break; } } if (!flag) System.out.println(num + " is a prime number."); else System.out.println(num + " is not a prime number."); }} Source:www.progra