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PrimeGrid: News Megabit Prime for 12121 Search

 
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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 Megabit Prime for 12121 Search Reply with quote



On 4 Dec 2009, PrimeGrid, in collaboration with 12121 Search, found a megabit prime: 27*2 1902689-1 The prime is 572,768 digits long and enters Chris Caldwell's <a href="http://primes.utm.edu/primes/" rel="nofollow">The Largest Known Primes Database</a> ranked 76th overall. The discovery was made by <b>Peter Kaiser</b> (<a href="http://www.primegrid.com/show_user.php?userid=24128" rel="nofollow">Puzzle-Peter</a>) of Germany using a dual Intel Xeon X5472 @3.0GHz with 16GB RAM. This computer took 59 minutes and 17 seconds to complete the primality test. Peter is a member of the team <a href="http://=http://www.primegrid.com/team_display.php?teamid=11" rel="nofollow">SETI.Germany</a>. For more details about this search, please see this <a href="http://www.primegrid.com/forum_thread.php?id=1229" rel="nofollow">forum thread</a>.

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Source: PrimeGrid: News

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