Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
13304569Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
83763266600748839476132792582.82022-11-17 17:57:59
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-02-03Stephen RobinsonF0DE99CF01A272233438941
Verified (Factored)2005-02-12Ars Technica Team Prime RibF0DE99CF01A272237615858
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2022-12-18LaurV24A360C02A674A321688468953
P-1 factors
DateFactorB1B2
2022-11-178376326660074883947613279599000209997060
2022-11-30837632666007488394761327916000001600000
History
DateUserTypeResult
2022-12-20nordiNF-PM1
B1=1600000, B2=1622061210
2022-12-18ANONYMOUSCERT
PRP Certification
Proof certified good
2022-12-18LaurVC-PRP
M13304569/8376326660074883947613279 : 24A360C02A674A32
PRP proof power = 8
PRP: Verified
Proof certified good
2022-11-30nordiF-PM1
Factor: 8376326660074883947613279 / (P-1, B1=1600000, B2=1600000)
2022-11-17storm5510F-PM1
Factor: 8376326660074883947613279 / (P-1, B1=599000, B2=209997060)
2022-02-22-Anonymous-NF
no factor from 2^73 to 2^74
2022-02-20-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-23-Anonymous-NF
no factor from 2^67 to 2^68
2015-07-22NesowaNF
no factor from 2^66 to 2^67
2014-06-07NesowaNF
no factor from 2^65 to 2^66
2013-05-14lycornNF
no factor from 2^64 to 2^65