File: prime.rb [prime: Ruby Standard Library Documentation] Last Modified 2017-04-01 12:51:23 -0500 Requires singleton forwardable Description frozen_string_literal: false prime.rb¶ ↑ Prime numbers and factorization library. Copyright Copyright © 1998-2008 Keiju ISHITSUKA(SHL Japan Inc.) Copyright © 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp> Documentation Yuki Sonoda