Check whether a number is prime or not

/*

To check whether a number is prime or not

*/

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication1

{

class Program

{

static void Main(string[] args)

{

int number;

Console.WriteLine("Enter the number to be checked for prime");

number = Convert.ToInt32(Console.ReadLine());

bool prime = true;

for (int i = number - 1; i > 1; i--)

{

if (number % i == 0)

{

prime = false;

}

}

if (prime)

{

Console.WriteLine("This number is prime");

}

else

{

Console.WriteLine("This number is not prime");

}

}

}

}