PrimeGrid
From BOINC Wiki
Project name: PrimeGrid
Project URL: http://www.primegrid.com/
Description: Primegrid has multiple projects searching for different forms of very large prime numbers, including searching for the largest known prime number.
Platforms: Macintosh, Linux, Windows
Calculates using GPUs: Nvidia OpenCL, AMD OpenCL
Has an OpenGL screen saver: {{{6}}}