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
5067329
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
40538633825.3old
608079481929.22008-09-08 01:25:53
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)
2017-09-20kkmrkkblmbrbk9A2996190DBB20AD2013
Verified
PRP without proof (not generated)
2018-04-29storm55109A2996190DBB20AD2358864013
History
DateUserTypeResult
2025-02-04Sid & AndyNF-PM1B1=5100000, B2=7366797900
2025-01-16Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-29storm5510C-PRPM5067329/40538633/608079481 : 9A2996190DBB20AD
2017-09-20kkmrkkblmbrbkC-PRPM5067329/40538633/608079481 : 9A2996190DBB20AD
2008-09-08Will EdgingtonFFactor: 608079481