Marin Mersenne 2^P-1
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MnStatusDetails
11647277Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
13179633468099577278766092580.12024-06-10 19:30:54
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-07-29Willamette Mathematics0F79C919A1A71F6E3190568
Verified (Factored)2004-05-25jerry bonenfant0F79C919A1A71F6E451705
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-06-11yuriy_5-123E7D282B0E06DB61519210753
P-1 factors
DateFactorB1B2
2024-06-10131796334680995772787660914023324125644559040
History
DateUserTypeResult
2024-06-11MapMakerCERT
PRP Certification
Proof certified good
2024-06-11yuriy_5-1C-PRP
M11647277/1317963346809957727876609 : 23E7D282B0E06DB6
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-10yuriy_5-1F-PM1
Factor: 1317963346809957727876609 / (P-1, B1=14023324, B2=125644559040)
2022-12-04Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-23LaurVNF-PM1
B1=6189107, B2=185673210
2021-08-22Andrew BNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2018-01-14ramgeisNF
no factor from 2^67 to 2^68
2016-01-30VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-04lycornNF
no factor from 2^64 to 2^65
2012-03-27James HeinrichNF-PM1
B1=225000, B2=5400000, E=6