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
5108423
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
3438544500440571548.3old
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)
2017-09-20kkmrkkblmbrbk114E4D27531EAEA11013
Verified
PRP without proof (not generated)
2018-05-11storm5510114E4D27531EAEA11313818313
History
DateUserTypeResult
2025-03-01Sid & AndyNF-PM1B1=3600000, B2=9117768660
2025-01-28Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-11storm5510C-PRPM5108423/343854450044057 : 114E4D27531EAEA1
2017-09-20kkmrkkblmbrbkC-PRPM5108423/343854450044057 : 114E4D27531EAEA1