Marin Mersenne 2^P-1
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MnStatusDetails
3190589Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
23114866616883820619966673580794291751319942137.42023-03-16 13:15:43
ECM
DigitsB1Curves
2550000107 / 280
Estimated T-Level: 21.9 ⓘ
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Iain Fenton1D7E5A6C5E8ADE3C0
Verified (Factored)1999-06-26Clinton James1D7E5A6C5E8ADE3C70152
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-03-29CavalicoEFD0915198AB4D5D1245593453
P-1 factors
DateFactorB1B2
2023-03-162311486661688382061996667358079429175131991020000019598847450
History
DateUserTypeResult
2023-03-29George WoltmanCERT
PRP Certification
Proof certified good
2023-03-29CavalicoC-PRP
M3190589/231148666168838206199666735807942917513199 : EFD0915198AB4D5D
PRP proof power = 7
PRP: Verified
Proof certified good
2023-03-16Sid & AndyF-PM1
Factor: 231148666168838206199666735807942917513199 / (P-1, B1=10200000, B2=19598847450)
2022-11-18TJAOINF
no factor from 2^69 to 2^70
2021-07-28MadPooNF
no factor from 2^68 to 2^69
2019-10-28mikrNF-PM1
B1=4000000, B2=150000000, E=12
2018-12-24TJAOINF
no factor from 2^67 to 2^68
2017-04-30Gordon SpenceNF
no factor from 2^66 to 2^67
2016-05-17JossNF-PM1
B1=346029, B2=6228522, E=6
2015-12-06Squeeky_SquirrelNF-PM1
B1=155000, B2=3913750, E=6
2015-06-21ThaNF
no factor from 2^65 to 2^66
2015-02-15VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-15VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-01JossNF-PM1
B1=105770
2014-08-21JossNF-PM1
B1=85653
2013-01-03dbaughNF
no factor from 2^62 to 2^63
2011-10-21markrNF
no factor from 2^61 to 2^62
2009-04-08S485122NF
no factor from 2^60 to 2^61