Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
5107379
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
40859033825.3old
91932823826.52008-09-08 01:26:53
8566588729755377831859.62015-11-29 11:53:06
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)
2017-09-20kkmrkkblmbrbkDF8ED8E59EB8431B3013
Verified
PRP without proof (not generated)
2018-05-11storm5510DF8ED8E59EB8431B3175555213
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-PRPM5107379/40859033/91932823/856658872975537783 : DF8ED8E59EB8431B
2017-09-20kkmrkkblmbrbkC-PRPM5107379/40859033/856658872975537783/91932823 : DF8ED8E59EB8431B
2015-11-29TJAOIFFactor: 856658872975537783
2008-09-08Will EdgingtonFFactor: 91932823