- #1

Astronuc

Staff Emeritus

Science Advisor

- 19,614

- 2,991

http://news.yahoo.com/largest-prime-number-discovered-165757465.htmlThe largest prime number yet has been discovered — and it's 17,425,170 digits long. The new prime number crushes the last one discovered in 2008, which was a paltry 12,978,189 digits long.

The number — 2 raised to the 57,885,161 power minus 1 (2^{57885161 }-1) — was discovered by University of Central Missouri mathematician Curtis Cooper as part of a giant network of volunteer computers devoted to finding primes, . . . .