Find Prime Numbers in a range.

using System;
using System.Collections.Generic;

namespace ConsoleApp
{
    internal class Program
    {
        private static void Main()
        {
            Console.Write("From: ");
            var from = Convert.ToInt32(Console.ReadLine());
            Console.Write("To: ");
            var to = Convert.ToInt32(Console.ReadLine());
            FindPrimes(from, to, out var primes);

            Console.Write("Primes: ");
            foreach (var i in primes)
            {
                Console.Write($"{i} ");
            }
            Console.WriteLine();
        }

        private static void FindPrimes(int from, int to, out List<int> primes)
        {
            primes = new List<int>();
            for (var outer = from; outer <= to; ++outer)
            {
                int inner;
                for (inner = 2; inner <= outer / inner; ++inner)
                {
                    if (outer % inner == 0) break;
                }
                if (inner > outer / inner)
                {
                    primes.Add(outer);
                }
            }
        }
    }
}