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Thread: PrimeGrid News

  1. 01-30-2012, 02:18 AM #1
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    PrimeGrid News

    World Record Generalized Cullen Prime
    On 29 Jan 2012, 08:10:03 UTC, PrimeGrid’s PRPNet found the largest known generalized Cullen prime: 427194*113^427194+1The prime is 877,069 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 1st for generalized Cullen primes and 57th overall. The discovery was made by Ricky L. Hubbard of the United States using an AMD Phenom II X6 1090t @ 3.2GHz with 8GB RAM, running Windows 7. This computer took 7 hours and 15 minutes to complete the probable prime test using pfgw64 and 7 hours 20 minutes to complete the primality test again using pfgw64. Ricky is a member of the AMD Users Team.For more details, please see the official announcement.

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  2. 01-30-2012, 08:39 AM #2
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    Second time in a few months for Ricky aka MiHost, our team's #5 at Prime Grid.
    Congratulations from #6!

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  3. 01-31-2012, 12:04 AM #3
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    Just saw this a few minutes ago, congrats to Ricky !!!!

    Tony Kaye, Billy Sherwood, Alan White, Jimmy Haun


    Amd Users StatsJoin World Community Grid

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  4. 01-31-2012, 12:48 AM #4
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    Congratulations Ricky!! That is an awesome and huge prime number!
    2009 MULTI CORES CONTEST STATS
    http://neogen.amdusers.com/contest2009/contestoverall.htm


    CHRISTMAS QUEST CONTEST STATS
    http://neogen.amdusers.com/contest2008/xmascontest.htm
    http://neogen.amdusers.com/contest2008/stats.png (snapshot)

    FEBRUARY '08 RACE STATS
    http://neogen.amdusers.com/contest2008/racefeb08b.htm
    http://neogen.amdusers.com/contest2008/racefeb08nb.htm
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  5. 01-31-2012, 09:49 PM #5
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    Congrats Ricky.
    Darkness isn't there, but you can't see through it
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