LCM of 2 numbers

import java.util.Scanner;

public class LCMCalculator {
    public static void main(String[] args) {
        // Create a Scanner object to read user input
        Scanner scanner = new Scanner(System.in);

        // Prompt the user to enter the two numbers
        System.out.print("Enter the first number: ");
        int num1 = scanner.nextInt();

        System.out.print("Enter the second number: ");
        int num2 = scanner.nextInt();

        // Calculate the LCM
        int lcm = calculateLCM(num1, num2);

        // Display the LCM
        System.out.println("LCM of " + num1 + " and " + num2 + " is: " + lcm);

        // Close the scanner
        scanner.close();
    };

    // Function to calculate the LCM of two numbers
    public static int calculateLCM(int num1, int num2) {
        // Calculate the GCD using the Euclidean algorithm
        int gcd = calculateGCD(num1, num2);

        // Calculate the LCM using the formula (a * b) / GCD(a, b)
        int lcm = (num1 * num2) / gcd;

        return lcm;
    };

    // Function to calculate the GCD of two numbers using the Euclidean algorithm
    public static int calculateGCD(int a, int b) {
        while (b != 0) {
            int temp = b;
            b = a % b;
            a = temp;
        }
        return a;
    }
}