determining Greatest Common Divisor and Lowest Common Multiple

CommonDenominator.java

public class CommonDenominator {

   
    public static void main(String[] args) {

     System.out.println(GCD(64,40)+"...................");
     System.out.println(LCM(24, 60));
    }

    public static int GCD(int a, int b) {
        if (b==0) return a;
    return GCD(b,a%b);
    }
    
    public static int LCM(int a, int b) {
        return a*b/GCD(a,b);
             
        }
}