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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Exponent Range:





MnDetails
5037377
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
87448864731033.0old
1349211055691237.02008-09-08 00:22:39
1485775857363111547.12014-02-26 11:26:44
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)
2017-11-22kkmrkkblmbrbk487D82B6F471195E3389251553
Verified
PRP without proof (not generated)
2018-04-25storm5510487D82B6F471195E3138469453
History
DateUserTypeResult
2025-02-11Sid & AndyNF-PM1B1=5200000, B2=7513644600
2025-01-07Sid & AndyFFactors: 8744886473,134921105569 / TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-25storm5510C-PRPM5037377/8744886473/134921105569/148577585736311 : 487D82B6F471195E
2017-11-22kkmrkkblmbrbkC-PRPM5037377/8744886473/134921105569/148577585736311 : 487D82B6F471195E
2014-02-26TJAOIFFactor: 148577585736311
2008-09-08Will EdgingtonFFactor: 134921105569