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

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MnStatusDetails
3007813Factored
FactorDigitsBitsDate
8107467800638129795678492479.42020-12-12 02:34:52
ECM
DigitsB1Curves
255000036 / 280
Estimated T-Level: 20.6
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)IES R.Dieste-I.LarrosaD16A8537927DD94C0
Verified (Factored)1999-06-06Jim RobinsonD16A8537927DD94C564453
Verified (Factored)2012-09-03kdgehmanD16A8537927DD94C1918813
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-12-12Maciej Kmieciak3E333E01B042A16A1213381753
Verified2020-12-13Kirill Frolov3E333E01B042A16A1133849453
History
DateUserTypeResult
2022-01-23JossNF-PM1
B1=1101561, B2=119912100
2021-01-14JossNF-PM1
B1=300781, B2=3007813, E=6
2021-01-14JossNF-PM1
B1=300781
2020-12-13Wakaba_SCERT
PRP Certification
Proof certified good
2020-12-13Kirill FrolovC-PRP
M3007813/810746780063812979567849 : 3E333E01B042A16A
PRP proof power = 7
PRP: Verified
Proof certified good
2020-12-12ANONYMOUSCERT
PRP Certification
Proof certified good
2020-12-12Maciej KmieciakC-PRP
M3007813/810746780063812979567849 : 3E333E01B042A16A
PRP proof power = 7
PRP: Verified
Proof certified good
2020-12-12ZenzomaF-ECM
Factor: 810746780063812979567849 / (ECM curve 4, B1=50000, B2=5000000, Sigma=6309892911675244)
2019-01-29oodairaNF-PM1
B1=32766003, B2=1867662171, E=12
2017-08-16YxinityNF
no factor from 2^69 to 2^70
2017-08-16YxinityNF
no factor from 2^68 to 2^69
2016-10-14treborNF-PM1
B1=1650000, B2=300000000, E=12
2016-08-20treborNF
no factor from 2^67 to 2^68
2016-08-20treborNF
no factor from 2^66 to 2^67
2016-08-17treborNF-PM1
B1=1650000, B2=120000000, E=12
2016-07-31treborNF-PM1
B1=1650000, B2=46200000, E=12
2015-05-30ThaNF
no factor from 2^65 to 2^66
2014-01-03lycornNF
no factor from 2^64 to 2^65
2014-01-02krackerNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2012-09-03kdgehmanC-LL
D16A8537927DD94C
2010-10-05Rob_DeeNF-PM1
B1=1000000, B2=1100000
2010-10-04Rob_DeeNF-PM1
B1=950000, B2=1000000
2010-10-03Rob_DeeNF-PM1
B1=900000, B2=950000
2010-10-02Rob_DeeNF-PM1
B1=850000, B2=900000
2010-10-01Rob_DeeNF-PM1
B1=800000, B2=850000
2010-09-30Rob_DeeNF-PM1
B1=750000, B2=800000
2010-09-29Rob_DeeNF-PM1
B1=700000, B2=750000
2010-09-28Rob_DeeNF-PM1
B1=650000, B2=700000
2010-09-27Rob_DeeNF-PM1
B1=600000, B2=650000
2010-09-26Rob_DeeNF-PM1
B1=550000, B2=600000
2010-09-25Rob_DeeNF-PM1
B1=500000, B2=550000
2010-09-24Rob_DeeNF-PM1
B1=450000, B2=500000
2010-09-23Rob_DeeNF-PM1
B1=400000, B2=450000
2010-09-22Rob_DeeNF-PM1
B1=350000, B2=400000
2010-09-21Rob_DeeNF-PM1
B1=300000, B2=350000
2010-09-20Rob_DeeNF-PM1
B1=250000, B2=300000
2010-09-19Rob_DeeNF-PM1
B1=200000, B2=250000
2010-09-18Rob_DeeNF-PM1
B1=150000, B2=200000
2010-09-17Rob_DeeNF-PM1
B1=100000, B2=150000
2010-09-16Rob_DeeNF-PM1
B1=50000, B2=100000
2010-08-31Sid & AndyNF
no factor from 2^61 to 2^62
2009-08-03USAFSSNF-PM1
B1=35000, B2=516250
2009-01-24Jayson KingNF
no factor from 2^60 to 2^61