Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
2931067
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
14362228311030.4old
3150483715711300731858.12015-08-12 11:31:26
1287378652940618247385707292786.72025-01-06 07:37:08
ECM
DigitsB1Curves
255000053 / 280
Estimated T-Level: 20.9
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-25Oliver Kruse4190E3544F67E67C2149802153
Factored
PRP without proof (not generated)
2017-12-09noknoAF0C6A57B698230D2013
Factored
PRP without proof (not generated)
2017-12-09kkmrkkblmbrbk4190E3544F67E67C2210903053
Factored
PRP without proof (not generated)
2017-12-11kkmrkkblmbrbkAF0C6A57B698230D294314313
Verified
Certified Good
2025-01-06Anton Tsvetkov4190E3544F67E67C3270602353
History
DateUserTypeResult
2025-01-06LOBESCERT
Proof certified good
2025-01-06Anton TsvetkovC-PRPM2931067/1436222831/315048371571130073/128737865294061824738570729 : 4190E3544F67E67C
Proof Certified Good

Proof Power: 7

2025-01-06Anton TsvetkovF-ECMFactor: 128737865294061824738570729 / ECM curve 35, B1=50000, B2=18092760, Edwards Sigma=4795051594076031
2023-02-07USAFSSNF-PM1B1=360000, B2=282695490
2017-12-11kkmrkkblmbrbkC-PRPM2931067/1436222831/315048371571130073 : AF0C6A57B698230D
2017-12-09kkmrkkblmbrbkC-PRPM2931067/1436222831/315048371571130073 : 4190E3544F67E67C
2017-12-09noknoC-PRPM2931067/1436222831/315048371571130073 : AF0C6A57B698230D
2017-10-25Oliver KruseC-PRPM2931067/1436222831/315048371571130073 : 4190E3544F67E67C
2015-08-12TJAOIFFactor: 315048371571130073