Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
1592923Factored
FactorDigitsBitsDate
3011877878963316670669692478.02016-11-10 01:05:59
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)The Grebelius FamilyF3FE2C8AE962D0160
Verified (Factored)1998-12-13M BurchF3FE2C8AE962D0161256995
Verified (Factored)2015-07-10MadPooF3FE2C8AE962D0161334262
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-02Oliver KruseB8BE7412A1FC0C861013
Verified2017-10-31kkmrkkblmbrbkB8BE7412A1FC0C861106274913
History
DateUserTypeResult
2017-10-31kkmrkkblmbrbkC-PRP
M1592923/301187787896331667066969 : B8BE7412A1FC0C86
PRP: Verified
PRP without proof (not generated)
2017-10-02Oliver KruseC-PRP
M1592923/301187787896331667066969 : B8BE7412A1FC0C86
PRP: Verified
PRP without proof (not generated)
2016-11-10bamF-ECM
Factor: 301187787896331667066969 / (ECM curve 3, B1=50000, B2=5000000)
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2015-10-11ramgeisNF
no factor from 2^65 to 2^66
2015-07-10MadPooC-LL
F3FE2C8AE962D016
2015-04-25VictordeHollanderNF-PM1
B1=10000000, B2=200000000, E=12
2015-03-04snme2pm1NF
no factor from 2^64 to 2^65
2015-03-04snme2pm1NF
no factor from 2^63 to 2^64
2013-11-24David CampeauNF-PM1
B1=980000, B2=28420000, E=12
2011-02-03James HeinrichNF-PM1
B1=85000, B2=1445000, E=6
2010-06-29GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-05-10Architects CubedNF
no factor from 2^60 to 2^61