Write a program in C# to get factorial of number

  static void Main(string[] args)
        {
            int Number = 5; // Need to find factorial of 5
            int Result = 1;

            while (Number > 0)
            {
                Result = Result * Number;
                Number = Number - 1;
            }

            Console.WriteLine(Result);
            Console.ReadLine(); 
        }