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
9467687Factored
FactorDigitsBitsDate
671118687339040874005078951141080540137122.32022-06-08 08:53:45
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-03-15William B. Adams8ADE4225A7DD908A6608137
Verified (Factored)2003-06-06Rony Shapiro8ADE4225A7DD908A553865
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-06-14Poao74DD4E2EC44FE3601579624653
P-1 factors
DateFactorB1B2
2022-06-08671118687339040874005078951141080540120000004793298510
History
DateUserTypeResult
2022-06-14querwurzelCERT
PRP Certification
Proof certified good
2022-06-14PoaoC-PRP
M9467687/6711186873390408740050789511410805401 : 74DD4E2EC44FE360
PRP proof power = 8
PRP: Verified
Proof certified good
2022-06-08ThaF-PM1
Factor: 6711186873390408740050789511410805401 / (P-1, B1=2000000, B2=4793298510)
2021-10-27SRBaseNF
no factor from 2^71 to 2^72
2021-09-05SRBaseNF
no factor from 2^70 to 2^71
2021-08-21SRBaseNF
no factor from 2^69 to 2^70
2019-10-08mnd9NF
no factor from 2^68 to 2^69
2016-06-12snme2pm1NF
no factor from 2^67 to 2^68
2016-06-12snme2pm1NF
no factor from 2^66 to 2^67
2015-05-08VictordeHollanderNF
no factor from 2^65 to 2^66
2013-09-04NesowaNF
no factor from 2^64 to 2^65
2011-05-02James HeinrichNF-PM1
B1=180000, B2=3960000, E=6