From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: 10 January 2006 23:42 To: David Nicol Cc: [email protected] Subject: Re: Regular Expression question w/ long numbers
> Thanks for the feedback. I am studying prime factorization of very large numbers. In particular, I am working > on tests that work in the inverse of prime factorization. In that, I mean that I am actually testing for > composite numbers. > > What is quicker; to determine if a number is prime or composite? I need an extreme level of precision because > rounding invalidates the protocols within which I can correctly calculate. > > I'm using Perl because I can look at a number as a string, parse it at different points and more easily explore > a variey of number theories. If you haven't looked already, I would suggest searching CPAN for useful modules. See http://search.cpan.org. For example, a search for "prime factorization" produced a list starting with Math::Big::Factors. HTH -- Brian Raven ================================= Atos Euronext Market Solutions Disclaimer ================================= The information contained in this e-mail is confidential and solely for the intended addressee(s). Unauthorised reproduction, disclosure, modification, and/or distribution of this email may be unlawful. If you have received this email in error, please notify the sender immediately and delete it from your system. The views expressed in this message do not necessarily reflect those of Atos Euronext Market Solutions. L'information contenue dans cet e-mail est confidentielle et uniquement destinee a la (aux) personnes a laquelle (auxquelle(s)) elle est adressee. Toute copie, publication ou diffusion de cet email est interdite. Si cet e-mail vous parvient par erreur, nous vous prions de bien vouloir prevenir l'expediteur immediatement et d'effacer le e-mail et annexes jointes de votre systeme. Le contenu de ce message electronique ne represente pas necessairement la position ou le point de vue d'Atos Euronext Market Solutions. _______________________________________________ ActivePerl mailing list [email protected] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
