Marin Mersenne 2^P-1
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MnStatusDetails
11541199Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
323439368228855751773592374.82023-05-09 09:34:38
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)2001-03-05Patrick BerchtoldB2FE8EE131CBCF9A9105885
Verified (Factored)2004-09-02Ars Technica Team Prime RibB2FE8EE131CBCF9A5814552
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-05-10Stef42CCB7DC2B5E625F321619955353
P-1 factors
DateFactorB1B2
2023-05-0932343936822885575177359800000048325830630
History
DateUserTypeResult
2023-05-10workerthreadCERT
PRP Certification
Proof certified good
2023-05-10Stef42C-PRP
M11541199/32343936822885575177359 : CCB7DC2B5E625F32
PRP proof power = 8
PRP: Verified
Proof certified good
2023-05-09Stef42F-PM1
Factor: 32343936822885575177359 / (P-1, B1=8000000, B2=48325830630)
2023-01-31Naegi MakotoNF
no factor from 2^71 to 2^72
2021-10-06mikrNF
no factor from 2^70 to 2^71
2021-09-27lycornNF
no factor from 2^69 to 2^70
2018-01-11ramgeisNF
no factor from 2^68 to 2^69
2018-01-11ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-11Sid & AndyNF-PM1
B1=125000, B2=2187500, E=6
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-09lycornNF
no factor from 2^64 to 2^65