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
2277629
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
11615907911030.1old
27441193060071341.32008-07-14 20:22:39
ECM
DigitsB1Curves
2550000280 / 280
30250000153 / 640
Estimated T-Level: 26.2
TF below 2^82 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 KruseDAB9669906279A972013
Verified
PRP without proof (not generated)
2017-11-21storm5510DAB9669906279A972450113
History
DateUserTypeResult
2017-11-21storm5510C-PRPM2277629/1161590791/2744119306007 : DAB9669906279A97
2017-10-11Oliver KruseC-PRPM2277629/1161590791/2744119306007 : DAB9669906279A97
2016-04-07alpertronNF-PM1B1=500000, B2=15000000, E=12
2008-07-14George WoltmanF-ECMFactor: 2744119306007