check for prime

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

class PrimeNumCheck
{
    static void Main()
    {
        uint intToCheck;
         int count = 0;
        Console.WriteLine("Provide a positive integer <= 100 to check:");
        while (!(uint.TryParse(Console.ReadLine(), out intToCheck) && (intToCheck <= 100)))
        {
            Console.WriteLine("Please, enter valid integer.");
        }
        if (intToCheck != 1)
        {
            for (int i = 2; i <= Math.Sqrt(intToCheck); i++)
            {
                count = count + (((intToCheck % i) == 0) ? 1 : 0);
            }
        }
        else
        {
            count = 2;
        }

        Console.WriteLine((count > 0) ? "Is Not Prime" : "Is Prime");
        Console.WriteLine("\nPress any key to exit");
        Console.ReadKey();
    }
}