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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MnDetails
5107801
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
30646807824.9old
33433213601531341.62008-09-30 21:43:56
72174045378171342.72008-09-30 21:43:57
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)
2017-09-20kkmrkkblmbrbkD935BDFBBD2D82B33013
Verified
PRP without proof (not generated)
2018-05-11storm5510D935BDFBBD2D82B3364205713
History
DateUserTypeResult
2025-02-27Sid & AndyNF-PM1B1=3600000, B2=9117768660
2025-01-28Sid & AndyNFno factor TF: 68-70
2024-07-30cramsey87NF-PM1B1=300000, B2=104169030
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-11storm5510C-PRPM5107801/30646807/3343321360153/7217404537817 : D935BDFBBD2D82B3
2017-09-20kkmrkkblmbrbkC-PRPM5107801/30646807/3343321360153/7217404537817 : D935BDFBBD2D82B3
2008-09-30markrFFactor: 7217404537817
2008-09-30markrFFactor: 3343321360153