public class Loops4 {

    public static void main(String[] args) {
        int x, z;
        boolean prime = false;
        for (x = 2; x <= 100; x += 1 ) {
            prime = true;
            for (z = 2; z < Math.floor(Math.sqrt(x)); z+=1) { //checks if the number is divisible by anything
                if (x % z == 0) {
                    prime = false;
                }
            }
            if (prime == true) {
                System.out.println(x); //if x is prime, print it
            }
        }

    }

}