Program to Find whether number is Prime or Not.

class PrimeNo{

public static void main(String args[]){

int num = Integer.parseInt(args[0]);

int flag=0;

for(int i=2;i
if(num%i==0)

{

System.out.println(num+" is not a Prime Number");

flag = 1;

break;

}

}

if(flag==0)

System.out.println(num+" is a Prime Number");

}

}