I downloaded XGrid yesterday, fired it up here, and noticed that, among other grid computing demo projects, it does factoring. :-). Anyone out there want to play around with this, just to see how it works? Contact me directly. MMMM, BreadPudding.... Cheers, RAH Cheers, RAH -- ----------------- R. A. Hettinga <mailto: rah@ibuc.com> The Internet Bearer Underwriting Corporation <http://www.ibuc.com/> 44 Farquhar Street, Boston, MA 02131 USA "... however it may deserve respect for its usefulness and antiquity, [predicting the end of the world] has not been found agreeable to experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire'