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PrimeGrid: News Record breaking Woodall prime

 
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Prince
Prince


Joined: 01 Aug 2006
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PostPosted: Sat Jun 12, 2010 2:16 pm    Post subject: PrimeGrid: News Record breaking Woodall prime Reply with quote


On 21 Dec 2007, 10:09:30 UTC, PrimeGrid's Woodall Prime Search found the 33rd and largest known to date Woodall prime:<br /> 3752948*23752948-1<br /> The prime is 1,129,757 digits long and enters <a href="http://primes.utm.edu/primes/" rel="nofollow">The Largest Known Primes Database</a> ranked 1st for Woodall primes and 13th overall. It's the first found mega-digit prime using LLR.<br /> 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.

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Source: PrimeGrid: News

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