ejercicio 7 tp0

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;



namespace ejercicio_5
{
    class Program
    {
        static void Main(string[] args)
        {
            int num = 0;
            int cont = 0;
            Stopwatch tiempo = Stopwatch.StartNew();

            while(cont < 10000)
            {

                cont = cont + isPrime(num);
                num = num + 1;
                if (cont == 10000)
                {
                    Console.WriteLine("Hay 10000");
                }
            }
            Console.Write("TIEMPO: " + tiempo.Elapsed.Milliseconds.ToString());
            Console.ReadKey();
        }


       static int isPrime (int num)
        {
            if ((num == 1) || (num == 2))
            {
                return 1;
            }
            if ((num % 2) == 0)
            {
                return 0;
            }
            for (int i = 3; i < num; i = i + 2)
            {
                if ((num % i) == 0)
                {
                    return 0;
                }
            }
            return 1;
        }
    }
}