Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
Fermat F28Factored
FactorDigitsBitsDate
17667309745512676065292270.61997-02-05
ECM
DigitsB1Curves
2550000280 / 280
30250000101 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-04-26cjeanfactor ECM smallC2S161.51 % 2024-04-27
History
DateUserTypeResult
2021-04-28ATHNF-PP1
Start=6/5, B1=500000, B2=20000000
2021-04-26ATHNF-PP1
Start=2/7, B1=100000, B2=10000000