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
55281983Factored
FactorDigitsBitsDate
2686857044650004684552332477.82012-08-17 07:32:03
LL
StatusDateUserResidueShift
Verified (Factored)2012-01-24borgyg2ABAFBBB314691CC5773087
P-1 factors
DateFactorB1B2
2012-08-1726868570446500046845523368500016440000
History
DateUserTypeResult
2012-08-17David CampeauF-PM1
Factor: 268685704465000468455233
2012-01-24borgygC-LL
2ABAFBBB314691CC
2011-06-10shaugeNF
no factor from 2^70 to 2^71
2011-06-10shaugeNF
no factor from 2^69 to 2^70
2011-04-06-Anonymous-NF
no factor from 2^68 to 2^69
2010-03-01angel63NF
no factor from 2^67 to 2^68
2009-11-21Helmut ZulusNF
no factor from 2^66 to 2^67
2009-11-18Steve_RichterNF
no factor from 2^65 to 2^66
2009-11-15Sturle SundeNF
no factor from 2^64 to 2^65
2008-10-271997rj7NF
no factor to 2^64