Prime number Learn programming C#

using System;
public class exercise46
{
    public static void Main()
    {
        int number;
        int dividers = 0;

        Console.Write("Enter a number: ");
        number = Convert.ToInt32(Console.ReadLine());

        for (int i = 1; i <= number; i++)
            if (number % i == 0)
                dividers++;

        if (dividers == 2)
            Console.WriteLine("The number is prime");
        else
            Console.WriteLine("The number is not prime");
    }
}