Question

برنامه ای بنویسید که همه اعداد اول چهاررقمی را در یک ارائه ریخته و نمایش دهد

Answer 1

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {

        static void Main(string[] args)
        {
            int[] arr = new int [1500];
            int sum;
            int cunter =0 ;
            arr[0] = 1;
            Console.WriteLine(arr[cunter].ToString());
            for (int i=2;i<=9999;i++)
            {
                sum = 0;
                for(int j=1; j<=i;j++)
                    if ((i % j) == 0 )
                     sum++;    
                if (sum == 2 )
                {
                    cunter++;
                    arr[cunter] = i;
                    Console.WriteLine(arr[cunter].ToString());
                    
                }    
            }
            Console.ReadLine();
        }
    }
}