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
3231301Factored
FactorDigitsBitsDate
20098692231030.9old
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-02Oliver KruseE1745C88DAD928541122565553
Verified2017-12-13kkmrkkblmbrbkE1745C88DAD92854152289553
History
DateUserTypeResult
2022-09-11JossNF-PM1
B1=1000000, B2=241175550
2022-03-12JossNF-PM1
B1=1000000, B2=134343300
2021-05-03JossNF
no factor from 2^67 to 2^68
2021-01-07JossNF-PM1
B1=323130, B2=3231301, E=6
2021-01-07JossNF-PM1
B1=323130
2017-12-13kkmrkkblmbrbkC-PRP
M3231301/2009869223 : E1745C88DAD92854
PRP: Verified
PRP without proof (not generated)
2017-11-02Oliver KruseC-PRP
M3231301/2009869223 : E1745C88DAD92854
PRP: Verified
PRP without proof (not generated)