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
5092567
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
81481073826.3old
ECM
DigitsB1Curves
255000012 / 280
Estimated T-Level: 20.2
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)
2017-09-20kkmrkkblmbrbkA1E6597740A51A101013
Verified
PRP without proof (not generated)
2018-05-06storm5510A1E6597740A51A10153530013
History
DateUserTypeResult
2025-01-31Sid & AndyNF-PM1B1=3600000, B2=8929750830
2025-01-24Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-06storm5510C-PRPM5092567/81481073 : A1E6597740A51A10
2017-09-20kkmrkkblmbrbkC-PRPM5092567/81481073 : A1E6597740A51A10