FACTORIAL NUMBER

PROGRAM:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace factorial

{

    class Program

    {

        static void Main(string[] args)

        {

            long fact = 1;

            Console.Write("Enter the no to find factorial:");

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

            for (int i = 2; i <= n; i++)

            {

                fact = fact * i;

            }

            Console.WriteLine("\n The factorial is:");

            Console.WriteLine(n + "!=" + fact);

            Console.ReadLine();

        }

    }

}