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
5035711
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
80571377826.3old
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)
2017-11-22storm551044E2078C75E34E0C1263497053
Verified
PRP without proof (not generated)
2018-01-16kkmrkkblmbrbk44E2078C75E34E0C1289943853
History
DateUserTypeResult
2025-02-07Sid & AndyNF-PM1B1=5200000, B2=6837986610
2025-01-07Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-01-16kkmrkkblmbrbkC-PRPM5035711/80571377 : 44E2078C75E34E0C
2017-11-22storm5510C-PRPM5035711/80571377 : 44E2078C75E34E0C