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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5104849
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
223796580171134.4old
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)
2017-09-20kkmrkkblmbrbk793C4070A3BAA2361013
Verified
PRP without proof (not generated)
2018-05-07storm5510793C4070A3BAA2361372628613
History
DateUserTypeResult
2025-02-22Sid & AndyNF-PM1B1=3600000, B2=9117768660
2025-01-27Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-07storm5510C-PRPM5104849/22379658017 : 793C4070A3BAA236
2017-09-20kkmrkkblmbrbkC-PRPM5104849/22379658017 : 793C4070A3BAA236