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
8275997Factored
FactorDigitsBitsDate
4180013459623386008619862948625433335855941134.92022-11-15 19:27:50
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)2000-03-27WBGSD084E80E48F54C111430571
Verified (Factored)2002-10-07Wojciech FlorekD084E80E48F54C113776044
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-11-21Lukelini0A110B2FA82116C11699090853
P-1 factors
DateFactorB1B2
2022-11-154180013459623386008619862948625433335855929999002999900
History
DateUserTypeResult
2022-11-21querwurzelCERT
PRP Certification
Proof certified good
2022-11-21LukeliniC-PRP
M8275997/41800134596233860086198629486254333358559 : 0A110B2FA82116C1
PRP proof power = 8
PRP: Verified
Proof certified good
2022-11-15linamentF-PM1
Factor: 41800134596233860086198629486254333358559 / (P-1, B1=2999900, B2=2999900)
2021-10-05SRBaseNF
no factor from 2^71 to 2^72
2021-08-31SRBaseNF
no factor from 2^70 to 2^71
2021-08-19SRBaseNF
no factor from 2^69 to 2^70
2020-01-17TJAOINF
no factor from 2^68 to 2^69
2018-01-02monstNF
no factor from 2^67 to 2^68
2015-12-18snme2pm1NF
no factor from 2^66 to 2^67
2015-06-03VictordeHollanderNF
no factor from 2^65 to 2^66
2013-12-30David CampeauNF
no factor from 2^64 to 2^65
2012-07-10James HeinrichNF-PM1
B1=210000, B2=4725000, E=6