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:










MnStatusDetails
423109Factored
FactorDigitsBitsDate
188177576920103691754.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse8BA0D47018E36BE31013
Verified2017-11-02kkmrkkblmbrbk8BA0D47018E36BE31744413
Unverified (Reliable)2020-04-18Oliver Kruse385723E383258A__126723753
History
DateUserTypeResult
2020-04-18Oliver KruseC-PRP
M423109/18817757692010369 : 385723E383258A__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M423109/18817757692010369 : 8BA0D47018E36BE3
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M423109/18817757692010369 : 8BA0D47018E36BE3
PRP: Unverified (Reliable)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=3000000, B2=100000000, E=12