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
2074327Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
385824823928.5old
8632726675911239.72008-07-15 07:50:01
13799285501733911650.32014-05-23 11:51:15
ECM
DigitsB1Curves
2550000280 / 280
30250000165 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-06Oliver Kruse566D202240A3B0BD3013
Verified2017-11-16kkmrkkblmbrbk566D202240A3B0BD3101477713
History
DateUserTypeResult
2017-11-16kkmrkkblmbrbkC-PRP
M2074327/385824823/863272667591/1379928550173391 : 566D202240A3B0BD
PRP: Verified
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2074327/385824823/863272667591/1379928550173391 : 566D202240A3B0BD
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-05-23TJAOIF
Factor: 1379928550173391
2008-07-15J FeitsmaF
Factor: 863272667591