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

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MnDetails
5079749
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
218670088697591444.3old
37542008117615771651.72014-07-10 12:28:55
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkBD2FD4B04C53FFCC2013
Verified
PRP without proof (not generated)
2018-05-01storm5510BD2FD4B04C53FFCC2162599113
History
DateUserTypeResult
2025-01-20Sid & AndyNFno factor TF: 68-70
2025-01-06Sid & AndyNF-PM1B1=3600000, B2=8929750830
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5079749/21867008869759/3754200811761577 : BD2FD4B04C53FFCC
2017-09-20kkmrkkblmbrbkC-PRPM5079749/21867008869759/3754200811761577 : BD2FD4B04C53FFCC
2014-07-10TJAOIFFactor: 3754200811761577