Calculate Factorial with for loop

using System;

class CalculateFactorial
    {
        static void Main()
        {
            Console.Write("n = ");
            int n = int.Parse(Console.ReadLine());

            int factorial = 1;

            for (int i = n; i > 0; i--)
            {
                factorial *= i; // In this way I calculate  (2n)! / (n + 1)!
            }
            Console.WriteLine("{0}! = {1}", n, factorial);
        }
    }