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
3159883Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
230185841657448199601381512684.32023-05-18 08:48:48
ECM
DigitsB1Curves
2550000113 / 280
Estimated T-Level: 22.0
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Stephan GruppBABCAD82E14DD5AB0
Verified (Factored)1999-06-26gonzalo riveros tejadaBABCAD82E14DD5AB1252390
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2023-05-18Naegi Makoto65909C554F4EF5561152010153
History
DateUserTypeResult
2023-05-18iwesCERT
PRP Certification
Proof certified good
2023-05-18Naegi MakotoC-PRP
M3159883/23018584165744819960138151 : 65909C554F4EF556
PRP proof power = 7
PRP: Verified
Proof certified good
2023-05-18daveward2005F-ECM
Factor: 23018584165744819960138151 / (ECM curve 13, B1=50000, B2=5000000, Sigma=4555620983555046)
2023-03-25Sid & AndyNF-PM1
B1=8700000, B2=22324282890
2023-01-11TJAOINF
no factor from 2^69 to 2^70
2022-10-30JossNF-PM1
B1=1000000, B2=265074810
2022-09-13JossNF-PM1
B1=1000000, B2=118249950
2021-03-30TJAOINF
no factor from 2^68 to 2^69
2019-06-26mikrNF-PM1
B1=3000000, B2=100000000, E=12
2019-01-28TJAOINF
no factor from 2^67 to 2^68
2017-04-22Gordon SpenceNF
no factor from 2^66 to 2^67
2015-11-26HBendtzNF-PM1
B1=500000, B2=12000000, e=12
2015-10-28JossNF-PM1
B1=552546
2015-08-09JossNF-PM1
B1=434216
2015-06-17ThaNF
no factor from 2^65 to 2^66
2015-02-11VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-11VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-25JossNF-PM1
B1=100624
2014-05-26JossNF-PM1
B1=80312
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-11-01Grant McCrackenNF
no factor from 2^61 to 2^62
2011-09-08Squeeky_SquirrelNF-PM1
B1=60000, B2=960000, E=6
2009-07-03Carsten KossendeyNF-PM1
B1=15000, B2=191250
2009-04-09S485122NF
no factor from 2^60 to 2^61