Marin Mersenne 2^P-1
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MnStatusDetails
11583769Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
189952984528014315163621432684.02024-05-04 17:47:02
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)2001-01-08Bob Faulkner66853296D4CE30086420988
Verified (Factored)2004-04-29Marc Getty / Phil Fizur66853296D4CE300850795
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-05-09Feritin4F44B496B5AEA7B91694318853
P-1 factors
DateFactorB1B2
2024-05-041899529845280143151636214325000007128469530
History
DateUserTypeResult
2024-05-10Tony MCERT
PRP Certification
Proof certified good
2024-05-09FeritinC-PRP
M11583769/18995298452801431516362143 : 4F44B496B5AEA7B9
PRP proof power = 8
PRP: Verified
Proof certified good
2024-05-04linamentF-PM1
Factor: 18995298452801431516362143 / (P-1, B1=2500000, B2=7128469530)
2024-05-03linamentNF-PM1
B1=2500000
2023-01-13Naegi MakotoNF
no factor from 2^71 to 2^72
2021-10-10mikrNF
no factor from 2^70 to 2^71
2021-10-01lycornNF
no factor from 2^69 to 2^70
2018-01-01ramgeisNF
no factor from 2^68 to 2^69
2018-01-01ramgeisNF
no factor from 2^67 to 2^68
2016-03-02YxinityNF
no factor from 2^66 to 2^67
2015-04-16Sid & AndyNF-PM1
B1=125000, B2=2187500, E=6
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-05lycornNF
no factor from 2^64 to 2^65