AdventOfCode23/Day20/Primes.cs

namespace Day20;

public static class Primes
{
    public static IEnumerable<long> Factorize(long num)
    {
        var remainder = num;
        for (var c = 2; c < remainder / 2; c++)
        {
            if (remainder % c == 0)
            {
                yield return c;
                remainder /= c;
                c = 2;
            }
        }

        yield return remainder;
    }
}