http://qs1969.pair.com?node_id=11144664


in reply to Re^2: Algorithm for cancelling common factors between two lists of multiplicands
in thread Algorithm for cancelling common factors between two lists of multiplicands

I don't suppose you know of a good factoring algorithm?

From the future: these days, Math::Prime::Util (along with Math::Prime::Util::GMP for larger inputs) is excellent.