Find LCM of Two Numbers in C#.net

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Find_LCM_of_Two_Numbers

{

    class Program

    {

        public static int lcm(int a, int b)

        {

            int num1, num2;

            if (a > b)

            {

                num1 = a;

                num2 = b;

            }

            else

            {

                num1 = b;

                num2 = a;

            }

            for (int i = 1; i <= num2; i++)

            {

                if ((num1 * i) % num2 == 0)

                {

                    return i * num1;

                }

            }

            return num2;

        }

        static void Main(string[] args)

        {

            int num1, num2;

            Console.WriteLine("Enter 2 numbers :");

            num1 = int.Parse(Console.ReadLine());

            num2 = int.Parse(Console.ReadLine());

            int result = lcm(num1, num2);

            Console.WriteLine("LCM of {0} and {1} is {2}", num1, num2, result);

            Console.Read();

        }

    }

}

output