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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MnStatusDetails
1017209Factored
FactorDigitsBitsDate
14655806591326932654472270.32017-04-07 12:06:39
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 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)David Slowinski3810
Verified (Factored)Ken Kriesel7CD4D2136F3FC3810
Verified (Factored)2002-01-15S574837CD4D2136F3FC381648299
Verified (Factored)2016-06-01MadPoo7CD4D2136F3FC381553578
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-28Oliver Kruse33CD66304C795D1E1013
Verified2017-10-15Oliver Kruse33CD66304C795D1E181324713
Verified2017-12-28ATH33CD66304C795D1E188880813
History
DateUserTypeResult
2021-07-01ViliamFNF-PM1
B1=10000000, B2=960000000
2017-12-28ATHC-PRP
M1017209/1465580659132693265447 : 33CD66304C795D1E
PRP: Verified
PRP without proof (not generated)
2017-10-15Oliver KruseC-PRP
M1017209/1465580659132693265447 : 33CD66304C795D1E
PRP: Verified
PRP without proof (not generated)
2017-09-28Oliver KruseC-PRP
M1017209/1465580659132693265447 : 33CD66304C795D1E
PRP: Verified
PRP without proof (not generated)
2017-04-07TJAOIF-ECM
Factor: 1465580659132693265447 / (ECM curve 86, B1=50000, B2=5000000)
2016-10-13JossNF-PM1
B1=5000000, B2=44880000, E=6
2016-08-18JossNF-PM1
B1=5000000, B2=40800000, E=12
2016-08-12JossNF-PM1
B1=5000000, B2=20400000, E=12
2016-07-17JossNF-PM1
B1=5000000, B2=10200000, E=6
2016-06-01MadPooC-LL
7CD4D2136F3FC381
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2014-04-01Never Odd Or EvenNF
no factor from 2^70 to 2^71
2013-07-02Never Odd Or EvenNF
no factor from 2^69 to 2^70
2013-07-02Never Odd Or EvenNF
no factor from 2^68 to 2^69
2013-03-29Never Odd Or EvenNF
no factor from 2^67 to 2^68
2013-03-29Never Odd Or EvenNF
no factor from 2^66 to 2^67
2013-03-29Never Odd Or EvenNF
no factor from 2^65 to 2^66
2013-03-29Never Odd Or EvenNF
no factor from 2^64 to 2^65
2010-11-13Michael CNF
no factor from 2^61 to 2^62
2010-11-13-Anonymous-NF
no factor from 2^63 to 2^64
2010-11-13-Anonymous-NF
no factor from 2^62 to 2^63
2010-11-13-Anonymous-NF
no factor from 2^61 to 2^62
2010-03-14Rob_DeeNF-PM1
B1=5000000, B2=5100000
2010-03-13Rob_DeeNF-PM1
B1=4800000, B2=4900000
2010-03-12Rob_DeeNF-PM1
B1=4600000, B2=4700000
2010-03-11Rob_DeeNF-PM1
B1=4400000, B2=4500000
2010-03-10Rob_DeeNF-PM1
B1=4200000, B2=4300000
2010-03-09Rob_DeeNF-PM1
B1=4000000, B2=4100000
2010-03-08Rob_DeeNF-PM1
B1=3800000, B2=3900000
2010-03-07Rob_DeeNF-PM1
B1=3600000, B2=3700000
2010-03-06Rob_DeeNF-PM1
B1=3400000, B2=3500000
2010-03-05Rob_DeeNF-PM1
B1=3200000, B2=3300000
2010-03-04Rob_DeeNF-PM1
B1=3000000, B2=3100000
2010-03-03Rob_DeeNF-PM1
B1=2800000, B2=2900000
2010-03-02Rob_DeeNF-PM1
B1=2600000, B2=2700000
2010-03-01Rob_DeeNF-PM1
B1=2400000, B2=2500000
2010-02-28Rob_DeeNF-PM1
B1=2200000, B2=2300000
2010-02-27Rob_DeeNF-PM1
B1=2000000, B2=2100000
2010-02-26Rob_DeeNF-PM1
B1=1800000, B2=1900000
2010-02-25Rob_DeeNF-PM1
B1=1600000, B2=1700000
2010-02-24Rob_DeeNF-PM1
B1=1400000, B2=1500000
2010-02-23Rob_DeeNF-PM1
B1=1200000, B2=1300000
2010-02-22Rob_DeeNF-PM1
B1=1000000, B2=1100000
2010-02-21Rob_DeeNF-PM1
B1=800000, B2=900000
2010-02-20Rob_DeeNF-PM1
B1=600000, B2=700000
2010-02-19Rob_DeeNF-PM1
B1=400000, B2=500000
2010-02-18Rob_DeeNF-PM1
B1=200000
2009-09-21S485122NF
no factor from 2^60 to 2^61