task9.cs

using System;

namespace functions_and_methods
{
    class Program
    {
        public static void Main(string[] args) {
            int n, i, m = 0, flag = 0;
            Console.Write("Enter the number to check Prime");
            n = int.Parse(Console.ReadLine());
            m=n/2;
            for(i = 2; i <= m; i++) {
                if(n % i == 0) {
                    Console.Write("Number is not Prime");
                    flag = 1;
                    break;
                }
            }
            if(flag == 0)
            Console.Write("Number is Prime.");
        }
       
        


        
        
            
            
        
        
        

    }
}