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
2550089Factored
FactorDigitsBitsDate
536742732731135.6old
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-14Oliver KruseA29FCD468ABBEAE4189675853
Verified2017-12-01kkmrkkblmbrbkA29FCD468ABBEAE41153846553
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-12-01kkmrkkblmbrbkC-PRP
M2550089/53674273273 : A29FCD468ABBEAE4
PRP: Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2550089/53674273273 : A29FCD468ABBEAE4
PRP: Verified
PRP without proof (not generated)