using System;  

​

namespace primeapplictaion

{

  public class PrimeNumberExample  

   {  

     public static void Main(string[] args)  

      {  

          int n=2;   

         int m=n/2;    

          for(int i = 2; i <= m; i++)    

          {    

           if(n % i == 0)    

            {    

             Console.Write("not Prime.");      

             break;    

            } 

              else

              {   

           Console.Write("Prime.");  

              }

          }

     }

  }

}