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

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MnDetails
5079829
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
951768062129189991756.4old
2840437384293245511858.01998-02-08 00:00:00
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)
2017-09-20kkmrkkblmbrbkC28677E171830FDF2013
Verified
PRP without proof (not generated)
2018-05-01storm5510C28677E171830FDF2217362713
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-PRP
M5079829/95176806212918999/284043738429324551 : C28677E171830FDF
2017-09-20kkmrkkblmbrbkC-PRPM5079829/284043738429324551/95176806212918999 : C28677E171830FDF
2008-09-08Will EdgingtonF-ECMFactor: 284043738429324551
1998-02-08-anonymous-FFactor: 95176806212918999
1998-02-08-anonymous-FFactor: 284043738429324551