/* Write a Java program to Find whether number is Prime or Not. */ class PrimeNumber { public static void main(String args[]) { int number = Integer.parseInt(args[0]); int flag=0; for(int i=2; i<number; i++) { if(number%i==0) { System.out.println(number+" is not a Prime Number"); flag = 1; break; } } if(flag==0) System.out.println(number+" is a Prime Number"); } }

OUTPUT:

Compile: javac PrimeNumber.java Run Ex1: java PrimeNumber 11 11 is a Prime Number Run Ex2: java PrimeNumber 15 15 is not a Prime Number