Maintains a website with links to software and benchmarks
for Mersenne testing freeware for non-Intel platforms.
Author of Mlucas, currently the most popular
Mersenne-testing code for non-x86.
In collaboration with Richard Crandall and Jason
Papadopoulos, conducted a computational proof of the
composite character of the twenty-fourth Fermat
number (5050446 decimal digits).
Currently holds the record (jointly with F. Morain for
the largest proven "hard" prime (not of a special form),
the 2196-digit Mersenne cofactor (2^7331-1)/458072843161
Works for Adaptive Silicon Inc., a high-tech startup in
Los Gatos, California, specializing in embeddable
In his spare time, enjoys sharing awful puns and select
German Weissbier with Luke