Online calculator that factorizes large numbers, specified by formula.
Aimed at grade school students and teachers, includes course guidelines, worksheets, and factor tab...
Java applet that can be used to find 20- or 30-digit factors of numbers or numerical expressions up...
Dedicated to algorithms and computational results on integer factorization. Includes links to paper...
Announcement of factorization of a 512-bit RSA key using the General Number Field Sieve (GNFS).
A collaborative project to produce the factorizations of x^y + y^x for 1<y<x<101.
Factorizations of numbers composed of all the same digit except first and/or last.
Paul Leyland's list of his own and other factorisations.
Cash prizes for new factors of Fermat numbers Fn, for n = 12 through 22.
Built by a French amateur, E.-O. Carissan, around 1919. Shallit, Williams and Morain include photog...