Issue #4831 has been reported by Yusuke Endoh. ---------------------------------------- Feature #4831: Integer#prime_factors http://redmine.ruby-lang.org/issues/4831 Author: Yusuke Endoh Status: Open Priority: Normal Assignee: Yuki Sonoda Category: Target version: 1.9.x Hello, lib/prime provides Integer#prime_division, but I always forget the name. I think that #prime_factors is more suitable. I'd like to hear opinions of English natives. What do you think? -- Yusuke Endoh <mame / tsg.ne.jp> -- http://redmine.ruby-lang.org