prime number

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1

{
class Program
{
static void Main(string[] args)
{

Func> EnumerableRange =

(startPoint, endPoint) =>
Enumerable.Range(Math.Min(startPoint, endPoint), Math.Abs(startPoint - endPoint) + 1);

Func isFullyDivided =

(value, divisor) =>
(value % divisor).Equals(0);

int sp = 2,

// manabu n soni 100 ni o'rniga ixtiyoriy son qo'yish mumkin (^_^)
ep = 100;

var query =

EnumerableRange(sp, ep)
.Where(value =>
EnumerableRange(2, (int)Math.Ceiling(Math.Sqrt(ep)))
.Any(divisor =>
isFullyDivided(value, divisor))
);

var primeNumbers =

EnumerableRange(sp, ep)
.Except(query);

foreach (var item in primeNumbers)

{
Console
.WriteLine(item);
}

Console
.Read();

}
}
}