Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
85047901Factored
FactorDigitsBitsDate
615591026000641110567781932685.72018-04-11 09:19:57
P-1 factors
DateFactorB1B2
2018-04-11615591026000641110567781936800000
History
DateUserTypeResult
2018-04-11Architects CubedF-PM1
Factor: 61559102600064111056778193 / (P-1, B1=680000)
2017-07-23TheJudgerNF
no factor from 2^75 to 2^76
2017-07-23TheJudgerNF
no factor from 2^74 to 2^75
2017-03-02-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-02-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-02-Anonymous-NF
no factor from 2^71 to 2^72
2014-08-19GrunwalderGIMPNF
no factor from 2^70 to 2^71
2014-02-16SMoffatNF
no factor from 2^69 to 2^70
2014-02-12SMoffatNF
no factor from 2^68 to 2^69
2013-02-28Freaks32NF
no factor from 2^67 to 2^68
2013-02-24Freaks32NF
no factor from 2^66 to 2^67
2013-01-23E.LechnerNF
no factor from 2^65 to 2^66
2010-11-24Architects CubedNF
no factor from 2^64 to 2^65