prime

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Java program to Find whether number is Prime or Not

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 class PrimeNo{ public static void main(String args[]){ int num = Integer.parseInt(args[0]); int flag=0; for(int i=2;i<num;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"); } }