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
5070379
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
58410766091032.4old
9187858484340382871859.72015-12-07 12:29:51
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)
2017-09-20kkmrkkblmbrbk4C271FA2DED98D652013
Verified
PRP without proof (not generated)
2018-05-01storm55104C271FA2DED98D65249743413
History
DateUserTypeResult
2025-02-15Sid & AndyNF-PM1B1=5100000, B2=7366797900
2025-01-17Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5070379/5841076609/918785848434038287 : 4C271FA2DED98D65
2017-09-20kkmrkkblmbrbkC-PRPM5070379/5841076609/918785848434038287 : 4C271FA2DED98D65
2015-12-07TJAOIFFactor: 918785848434038287