Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
67055309Factored
FactorDigitsBitsDate
62746425056339639997874346412892.32013-08-20 11:46:50
P-1 factors
DateFactorB1B2
2013-08-20627464250563396399978743464173000018250000
History
DateUserTypeResult
2013-08-20HBendtzF-PM1
Factor: 6274642505633963999787434641
2012-08-16Clown_RoyalNF
no factor from 2^70 to 2^71
2012-02-15GrunwalderGIMPNF
no factor from 2^69 to 2^70
2010-01-02HighPriceRanchNF
no factor from 2^68 to 2^69
2010-01-01GrunwalderGIMPNF
no factor from 2^67 to 2^68
2009-12-31cesantoNF
no factor from 2^66 to 2^67
2009-12-28cesantoNF
no factor from 2^65 to 2^66
2009-03-30-Anonymous-NF
no factor from 2^64 to 2^65
2008-12-11Wojciech FlorekNF
no factor to 2^64