04. Refactoring: Prime Checker

using System;

namespace primeChecker
{
    class Program
    {
        static void Main(string[] args)
        {
            int number = int.Parse(Console.ReadLine());

            for (int current = 2; current <= number; current++)
            {
                string isSimple = "true";
                for (int divisor = 2; divisor < current; divisor++)
                {
                    if (current % divisor == 0)
                    {
                        isSimple = "false";
                        break;
                    }
                }
                Console.WriteLine($"{current} -> {isSimple}");
            }
        }
    }
}