Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2797493Factored
FactorDigitsBitsDate
268559329928.0old
755323111929.52008-09-07 19:41:54
1128788425511236.72008-09-07 19:41:54
11588502852791340.12008-09-30 14:37:59
166026230012471443.92008-09-30 14:37:59
11413646559912491650.02013-08-02 23:31:16
6682863960099269271859.22015-11-03 12:50:06
ECM
DigitsB1Curves
2550000280 / 280
3025000078 / 640
Estimated T-Level: 25.6 ⓘ
TF below 2^80 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-30alpertron49DBF4CFDB33CF487013
Verified2017-11-16Oliver Kruse49DBF4CFDB33CF48799264413
History
DateUserTypeResult
2022-12-20LordJuliusNF
no factor from 2^67 to 2^68
2022-03-11LordJuliusNF
no factor from 2^65 to 2^66
2022-03-11LordJuliusNF
no factor from 2^64 to 2^65
2022-03-11LordJuliusNF
no factor from 2^63 to 2^64
2022-03-11LordJuliusNF
no factor from 2^62 to 2^63
2022-03-11LordJuliusNF
no factor from 2^60 to 2^62
2019-12-28Seth_TrNF
no factor from 2^66 to 2^67
2019-07-04alpertronNF-PM1
B1=30000000, B2=1000000000, E=12
2019-04-10JossNF-PM1
B1=2797493, B2=279749300, E=12
2017-11-16Oliver KruseC-PRP
M2797493/268559329/755323111/112878842551/1158850285279/16602623001247/1141364655991249/668286396009926927 : 49DBF4CFDB33CF48
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2797493/112878842551/1141364655991249/1158850285279/16602623001247/268559329/668286396009926927/755323111 : 49DBF4CFDB33CF48
PRP: Verified
PRP without proof (not generated)
2015-11-03TJAOIF
Factor: 668286396009926927 / TF: 59-60
2013-08-02Squeeky_SquirrelF
Factor: 1141364655991249
2008-09-30markrF
Factor: 16602623001247
2008-09-30markrF
Factor: 1158850285279
2008-09-07Will EdgingtonF
Factor: 112878842551
2008-09-07Will EdgingtonF
Factor: 755323111