find_GCD_of_two_numbers_using_while_loop.java

public class GCD {
    public static void main(String[] args) {
        int n1 = 81, n2 = 153;
        while (n1 != n2) {
            if (n1 > n2)
                n1 -= n2;
            else
                n2 -= n1;
        }
        System.out.println("G.C.D = " + n1);
    }
}