最大公约数&最小公倍数算法

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
   public class Program
    {
        static void Main(string[] args)
        {
            divisor a = new divisor();
            multiple b = new multiple();
            Console.WriteLine("{0}",a.d(4,14));
            Console.WriteLine("{0}", b.m(4,14));
           
        }
    }
   class divisor
    {
        public int d(int m, int n)
        {
            if (m % n == 0) return n;
            else return d(n, m % n);
        }
    }
   class multiple
    {
       public int m(int a,int b)
        {
            int t = 0;
            divisor c = new divisor();
            t=c.d(a,b);
            return (a * b / t);
        }           

    }
}