using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace prime
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, n;
            Console.WriteLine("Enter the Number:");
            n = Convert.ToInt32(Console.ReadLine());
              
            for (i = 2; i <=2; i++) { if (n % i == 0) break; } if (i > 2)
            {
                Console.WriteLine("prime number:", n);
            }
            else
            {
                Console.WriteLine("Not Prime Number:", n);
            }
        }
    }
}

Enter the Number : 17  
Number is Prime.  

Enter the Number : 22 
Not Prime Number  

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