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
2757829Factored
FactorDigitsBitsDate
92769120432829537981992273.02020-08-30 05:16:47
ECM
DigitsB1Curves
255000042 / 280
Estimated T-Level: 20.8
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)shelley giles605CFB547FBDA2720
Verified (Factored)2000-03-15David Campeau605CFB547FBDA2722608557
Verified (Factored)2018-08-16kkmrkkblmbrbk605CFB547FBDA272900265
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-08-30M Miller90623DCD31986FEB1140456553
History
DateUserTypeResult
2020-08-30Albrecht HeefferCERT
PRP Certification
Proof certified good
2020-08-30M MillerC-PRP
M2757829/9276912043282953798199 : 90623DCD31986FEB
PRP proof power = 7
PRP: Verified
Proof certified good
2020-08-30rextheruntF-ECM
Factor: 9276912043282953798199 / (ECM curve 6, B1=50000, B2=5000000)
2019-02-20chuenkitNF
no factor from 2^67 to 2^68
2018-08-16kkmrkkblmbrbkC-LL
605CFB547FBDA272
2017-10-09Gordon SpenceNF
no factor from 2^66 to 2^67
2017-01-10JossNF-PM1
B1=228000
2016-12-31mikrNF-PM1
B1=2700000, B2=84000000, E=12
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2016-02-05ramgeisNF
no factor from 2^65 to 2^66
2015-04-21VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-21VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-14dbaughNF
no factor from 2^62 to 2^63
2012-03-26markrNF
no factor from 2^61 to 2^62
2011-05-08James HeinrichNF-PM1
B1=190000, B2=4655000, E=6
2011-01-23JossNF-PM1
B1=50000
2011-01-02JossNF-PM1
B1=30000
2010-12-21JossNF-PM1
B1=20000
2009-02-12Sturle SundeNF
no factor from 2^60 to 2^61