Factorial program in C#

In this post, we will learn about Factorial program in C# with an example.

Description:

In my previous posts I have explained various topics like Get site visitor count in asp.net
Convert generic list to datatable in Asp.Net C#.Net, Abstract Class in C# with Example,
Routing in Asp.Net MVC with Example
,Use of Global.asax in Asp.net

Now in this post, I will explain the Factorial program in C# with appropriate example. Factorial of n is the product of all positive descending integers. Factorial of n is denoted by n!.
For example:
3! = 3*2*1 = 6
Now create Console Application in Visual Studio and write below lines of code in it.

using System;

namespace SCS
{
    class Program
    {
        static void Main()
        {
            // Program to find Factorial of number
            int i, _Fact = 1, _Number;

            Console.Write("Enter any Number: ");
            _Number = int.Parse(Console.ReadLine());
            for (i = 1; i <= _Number; i++)
            {
                _Fact = _Fact * i;
            }
            Console.Write("Factorial of " + _Number + " is: " + _Fact);  
        }
    }
}




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