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

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Exponent Range:










MnStatusDetails
1670819Factored
FactorDigitsBitsDate
444092115777669689288622610972731101.82018-06-11 16:38:04
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)Phil Gibbs8392909C5A7624AE0
Verified (Factored)1998-12-21george brunton8392909C5A7624AE1297163
Verified (Factored)2015-07-19MadPoo8392909C5A7624AE201507
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-06-12Oliver KruseBADC9B77B5FEF5661129123253
Verified2018-06-12Daniil TsarkovBADC9B77B5FEF566147477053
Verified2018-06-12kkmrkkblmbrbkBADC9B77B5FEF566179897153
P-1 factors
DateFactorB1B2
2018-06-1144409211577766968928862261097271670819167081900
History
DateUserTypeResult
2018-06-12kkmrkkblmbrbkC-PRP
M1670819/4440921157776696892886226109727 : BADC9B77B5FEF566
PRP: Verified
PRP without proof (not generated)
2018-06-12Daniil TsarkovC-PRP
M1670819/4440921157776696892886226109727 : BADC9B77B5FEF566
PRP: Verified
PRP without proof (not generated)
2018-06-12Oliver KruseC-PRP
M1670819/4440921157776696892886226109727 : BADC9B77B5FEF566
PRP: Verified
PRP without proof (not generated)
2018-06-11JossF-PM1
Factor: 4440921157776696892886226109727 / (P-1, B1=1670819, B2=167081900, E=12)
2018-02-20JossNF-PM1
B1=1670819, B2=80000000, E=12
2018-02-06JossNF-PM1
B1=1670819, B2=40000000, E=12
2018-01-24JossNF-PM1
B1=1670819, B2=20000000, E=12
2017-09-29TJAOINF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^57 to 2^60
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-10-11ramgeisNF
no factor from 2^65 to 2^66
2015-07-19MadPooC-LL
8392909C5A7624AE
2015-05-13monstNF
no factor from 2^64 to 2^65
2015-05-12omylistNF
no factor from 2^63 to 2^64
2012-03-01AxonNF-PM1
B1=1000000, B2=20000000, E=12
2012-03-01AxonNF-PM1
B1=1000000, B2=8000000, E=12
2012-02-29AxonNF-PM1
B1=1000000
2012-02-29AxonNF-PM1
B1=900000
2012-02-29AxonNF-PM1
B1=800000
2012-02-29AxonNF-PM1
B1=700000
2012-02-29AxonNF-PM1
B1=600000
2012-02-29AxonNF-PM1
B1=500000
2012-02-29AxonNF-PM1
B1=400000
2012-02-29AxonNF-PM1
B1=300000
2012-02-29AxonNF-PM1
B1=200000
2012-02-29AxonNF-PM1
B1=100000
2010-08-31GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-25Architects CubedNF
no factor from 2^60 to 2^61