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
5080177
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
30481063824.9old
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)
2017-09-20kkmrkkblmbrbk5C27055B7FB1F8421013
Verified
PRP without proof (not generated)
2018-05-01storm55105C27055B7FB1F8421375773313
History
DateUserTypeResult
2025-01-20Sid & AndyNFno factor TF: 68-70
2025-01-07Sid & AndyNF-PM1B1=3600000, B2=8835756930
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5080177/30481063 : 5C27055B7FB1F842
2017-09-20kkmrkkblmbrbkC-PRPM5080177/30481063 : 5C27055B7FB1F842