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:





MnDetails
2279141
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
15087913431030.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000119 / 640
Estimated T-Level: 25.9
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver KruseE95B29103FA4FD841013
Verified
PRP without proof (not generated)
2017-11-22storm5510E95B29103FA4FD84151187913
History
DateUserTypeResult
2017-11-22storm5510C-PRPM2279141/1508791343 : E95B29103FA4FD84
2017-10-11Oliver KruseC-PRPM2279141/1508791343 : E95B29103FA4FD84
2016-04-09alpertronNF-PM1B1=500000, B2=15000000, E=12