Least common multiple of two numbers

LCM.java

public class LCM {
    public static void main(String[] args) {
        Scanner scaner = new Scanner(System.in);
        int first = scaner.nextInt();
        int second = scaner.nextInt();
        int gcd = getGCD(first, second);
        long lcm = getLCM(first, second, gcd);
        System.out.println(lcm);
    }

    private static long getLCM(int first, int second, int gcd) {
        return ((long)first * (long)second) / gcd;
    }

    private static int getGCD(int first, int second) {
        while (second != 0) {
            int prevSecond = second;
            second = first % second;
            first = prevSecond;
        }
        return first;
    }
}