Marin Mersenne 2^P-1
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MnStatusDetails
11668499Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
328264993717308428801353212684.82024-04-22 20:24:43
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)2001-02-25Erik J. Erlandson5149B2430CC639BE7269806
Bad2004-08-20Bartek DziêcielskiFBCF21445CEE14773804133
Verified (Factored)2005-02-02Daniel Swanson5149B2430CC639BE540782
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-04-23yuriy_5-14A3D9FE72CDD51631489454153
P-1 factors
DateFactorB1B2
2024-04-223282649937173084288013532164168662977697580
History
DateUserTypeResult
2025-03-21yuriy_5-1NF-PM1
B1=11668500, B2=96480173790
2024-04-24yuchangoCERT
PRP Certification
Proof certified good
2024-04-23yuriy_5-1C-PRP
M11668499/32826499371730842880135321 : 4A3D9FE72CDD5163
PRP proof power = 8
PRP: Verified
Proof certified good
2024-04-22yuriy_5-1F-PM1
Factor: 32826499371730842880135321 / (P-1, B1=6416866, B2=2977697580)
2022-11-17Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
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
2016-01-30VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-03lycornNF
no factor from 2^64 to 2^65
2012-03-31James HeinrichNF-PM1
B1=225000, B2=5400000, E=6