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
5023363
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
80373809826.3old
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)
2017-11-21storm55104B1EBD91588175C71100394553
Verified
PRP without proof (not generated)
2018-01-14kkmrkkblmbrbk4B1EBD91588175C71190694753
History
DateUserTypeResult
2025-02-01Sid & AndyNF-PM1B1=5600000, B2=7759443510
2025-01-04James HeinrichNF-PM1B1=812000, B2=3290279850
2025-01-03Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-01-14kkmrkkblmbrbkC-PRPM5023363/80373809 : 4B1EBD91588175C7
2017-11-21storm5510C-PRPM5023363/80373809 : 4B1EBD91588175C7