You remember the story of Dr. Jekyll and Mr. Hyde? Well, that's sort of the story of Prime95, too. This mild-mannered mathematics software lets users participate in GIMPS, the Great Internet Mersenne Prime Search. This online project uses the distributed power of many networked PCs (like yours) to search for immense Mersenne prime numbers. Prime95 lets users donate processing power to the nonprofit research project. In the hot hands of overclockers, though, Prime95 becomes an instrument of torture, running stress tests that pinpoint weak links in your system. How you use Prime95 determines its behavior.
Prime95's setup wizard … Read more