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
2179693Factored
FactorDigitsBitsDate
1751369724215691547.3old
ECM
DigitsB1Curves
2550000124 / 280
Estimated T-Level: 22.2
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-09Oliver Kruse7F417F3FD49892DB1013
Verified2017-11-19Chang Chia-Tche7F417F3FD49892DB110498513
History
DateUserTypeResult
2017-11-19Chang Chia-TcheC-PRP
M2179693/175136972421569 : 7F417F3FD49892DB
PRP: Verified
PRP without proof (not generated)
2017-10-09Oliver KruseC-PRP
M2179693/175136972421569 : 7F417F3FD49892DB
PRP: Verified
PRP without proof (not generated)
2016-03-20alpertronNF-PM1
B1=500000, B2=15000000, E=12