Free-DC
05-11-2010, 02:44 PM
On 21 Dec 2007, 10:09:30 UTC, PrimeGrid's Woodall Prime Search found the 33rd and largest known to date Woodall prime:
3752948*23752948-1
The prime is 1,129,757 digits long and enters The Largest Known Primes Database (http://primes.utm.edu/primes/) ranked 1st for Woodall primes and 13th overall. It's the first found mega-digit prime using LLR.
The discovery was made by Matthew J. Thompson of the United States using an Intel P4 @ 2.8 GHz with 512MB RAM. This computer took almost 15 hours and 11 minutes to complete the primality test.
More... (http://www.primegrid.com/forum_thread.php?id=1953)
3752948*23752948-1
The prime is 1,129,757 digits long and enters The Largest Known Primes Database (http://primes.utm.edu/primes/) ranked 1st for Woodall primes and 13th overall. It's the first found mega-digit prime using LLR.
The discovery was made by Matthew J. Thompson of the United States using an Intel P4 @ 2.8 GHz with 512MB RAM. This computer took almost 15 hours and 11 minutes to complete the primality test.
More... (http://www.primegrid.com/forum_thread.php?id=1953)