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
1951051Factored
FactorDigitsBitsDate
81944143826.3old
2427596769402975189832167.72020-11-22 18:17:24
ECM
DigitsB1Curves
2550000280 / 280
3025000056 / 640
Estimated T-Level: 25.4
TF below 2^80 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver KruseB510D78D331295A71013
Verified (Factored)2017-11-11kkmrkkblmbrbkB510D78D331295A7154720813
Verified2020-11-23rbanovEC14D7FD79696088247604553
History
DateUserTypeResult
2020-11-23Ben DeloCERT
PRP Certification
Proof certified good
2020-11-23rbanovC-PRP
M1951051/81944143/242759676940297518983 : EC14D7FD79696088
PRP proof power = 7
PRP: Verified
Proof certified good
2020-11-22MarkSF-ECM
Factor: 242759676940297518983 / (ECM curve 4, B1=50000, B2=5000000, Sigma=8839796768131770)
2017-11-11kkmrkkblmbrbkC-PRP
M1951051/81944143 : B510D78D331295A7
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1951051/81944143 : B510D78D331295A7
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12