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:










MnStatusDetails
2584693Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
387703951928.5old
ECM
DigitsB1Curves
2550000117 / 280
Estimated T-Level: 22.1
TF below 2^68 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-15kkmrkkblmbrbk5424AF2183301A501152022453
Verified2017-11-11Oliver Kruse5424AF2183301A50162933753
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-11Oliver KruseC-PRP
M2584693/387703951 : 5424AF2183301A50
PRP: Verified
PRP without proof (not generated)
2017-10-15kkmrkkblmbrbkC-PRP
M2584693/387703951 : 5424AF2183301A50
PRP: Verified
PRP without proof (not generated)