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
85145017Factored
FactorDigitsBitsDate
217267087696221017183619175988680232937120.72017-12-21 01:16:32
P-1 factors
DateFactorB1B2
2017-12-21217267087696221017183619175988680232968000013260000
History
DateUserTypeResult
2017-12-21bamF-PM1
Factor: 2172670876962210171836191759886802329 / (P-1, B1=680000, B2=13260000, E=6)
2017-08-22Kevin JagetNF
no factor from 2^75 to 2^76
2017-08-22Kevin JagetNF
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
2013-11-19g0bNF
no factor from 2^70 to 2^71
2013-08-15-Anonymous-NF
no factor from 2^69 to 2^70
2013-03-03ThirodNF
no factor from 2^68 to 2^69
2013-03-02SMoffatNF
no factor from 2^67 to 2^68
2013-02-28Freaks32NF
no factor from 2^66 to 2^67
2013-02-06E.LechnerNF
no factor from 2^65 to 2^66
2010-11-24Architects CubedNF
no factor from 2^64 to 2^65