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
2306639Factored
FactorDigitsBitsDate
47233341868260891652.1old
ECM
DigitsB1Curves
255000082 / 280
Estimated T-Level: 21.5
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-11Oliver KruseDF07C2163ED40E141013
Verified2017-11-22kkmrkkblmbrbkDF07C2163ED40E141210939513
History
DateUserTypeResult
2021-04-05ViliamFNF-PM1
B1=5000000, B2=505000000
2018-02-19alpertronNF-PM1
B1=500000, B2=15000000, E=12
2017-11-22kkmrkkblmbrbkC-PRP
M2306639/4723334186826089 : DF07C2163ED40E14
PRP: Verified
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2306639/4723334186826089 : DF07C2163ED40E14
PRP: Verified
PRP without proof (not generated)