On Jun 17, 1:24 ¨Âí¬ Æô³ë¼æôæ®®®Àçíáéì®ãïí¾ ÷òïôåº > Sandor Szs wrote: > > According to the page you posted your condition is not correct. > > I don't read it carefully nor I tested it but it's obvious that > > you forget to calculate the -1 mod n > > Thanks it seems to be working now, sometimes you just miss the obvious. > -- > Posted viahttp://www.ruby-forum.com/. Also see Ruby code here: http://snippets.dzone.com/posts/show/4636