Factorial Program in C#
Posted by Superadmin on August 11 2022 07:28:36

Factorial Program in C#

 

 

This is a C# Program to generate the factorial of given number.

Problem Description

This C# Program generates Factorial of the Number obtained from the user.

Problem Solution

Factorial of a number is obtained from the result of multiplying a series of descending natural numbers.

Program/Source Code

Here is source code of the C# Program to Generate the Factorial of Given Number. The C# program is successfully compiled and executed with Microsoft Visual Studio. The program output is also shown below.

/*
 * C# Program to Generate the Factorial of  Given Number 
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace factorial
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, number, fact;
            Console.WriteLine("Enter the Number");
            number = int.Parse(Console.ReadLine());
            fact = number;
            for (i = number - 1; i >= 1; i--)
            {
                fact = fact * i;
            }
            Console.WriteLine("\nFactorial of Given Number is: "+fact);
            Console.ReadLine();
 
        }
    }
}
Program Explanation

In this C# program, we are reading the number using ‘number’ variable. Using for loop, factorial of a number is obtained from the result of multiplying a series of descending natural numbers. Print the factorial of given number.

 
Runtime Test Cases
 
Enter the Number
6
Factorial of Given Number is: 720