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
5082991
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
4577640034791238.7old
24247044252593167511961.12016-03-30 11:36:44
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)
2017-09-20kkmrkkblmbrbkF51C92540962C9B32013
Verified
PRP without proof (not generated)
2018-05-02storm5510F51C92540962C9B32373524713
History
DateUserTypeResult
2025-01-21Sid & AndyNFno factor TF: 68-70
2025-01-12Sid & AndyNF-PM1B1=3600000, B2=8929750830
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-02storm5510C-PRPM5082991/457764003479/2424704425259316751 : F51C92540962C9B3
2017-09-20kkmrkkblmbrbkC-PRPM5082991/2424704425259316751/457764003479 : F51C92540962C9B3
2016-03-30TJAOIFFactor: 2424704425259316751