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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MnStatusDetails
68732597Factored
FactorDigitsBitsDate
385812720995213969379334012685.02013-10-20 09:38:54
P-1 factors
DateFactorB1B2
2013-10-203858127209952139693793340174000016465000
History
DateUserTypeResult
2013-10-20Jwb52zF-PM1
Factor: 38581272099521396937933401
2012-08-05SMoffatNF
no factor from 2^70 to 2^71
2012-03-15qwertyuio999NF
no factor from 2^69 to 2^70
2010-04-30GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-04-29ScuderNF
no factor from 2^67 to 2^68
2010-04-22Team_InspectorNF
no factor from 2^66 to 2^67
2010-04-07-Anonymous-NF
no factor from 2^65 to 2^66
2010-01-28Frank BalzerNF
no factor from 2^64 to 2^65
2008-10-271997rj7NF
no factor to 2^64