find the least common multiple of two numbers in csharp

main.cs
using System;

public class Program
{
    public static void Main()
    {
        int num1 = 24;
        int num2 = 36;

        int lcm = GetLCM(num1, num2);

        Console.WriteLine($"LCM of {num1} and {num2} is {lcm}");
    }

    private static int GetLCM(int num1, int num2)
    {
        int gcd = GetGCD(num1, num2);
        return (num1 * num2) / gcd;
    }

    private static int GetGCD(int num1, int num2)
    {
        while (num2 != 0)
        {
            int temp = num2;
            num2 = num1 % num2;
            num1 = temp;
        }

        return num1;
    }
}
587 chars
33 lines

main.cs
LCM of 24 and 36 is 72
23 chars
2 lines