Download Prime95 for free and take part in GIMPS (the Great Internet Mersenne Prime Search).
A reasonably modern computer is recommended to run Prime95 and contribute to GIMPS research. Prime95 is also widely used for CPU stress testing and benchmarking.
The goal is to discover the next Mersenne prime number. Computers around the world with Prime95 installed work together on this task and help advance the research by testing and finding new primes. For more information, visit: www.mersenne.org
You can also download Prime95 for the following operating systems here:
Download Prime95
