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

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Exponent Range:










MnStatusDetails
13007Factored
FactorDigitsBitsDate
2706334175837993474275498892025201446478869831347154.22023-01-28 13:38:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000014994 / 16550
Estimated T-Level: 49.5 ⓘ
TF below 2^160 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown50C70
Verified (Factored)George WoltmanA5B5B483ECF150C70
Verified (Factored)Brian J. BeesleyA5B5B483ECF150C70
Verified (Factored)2015-04-11MadPooA5B5B483ECF150C73484
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-01-28Anton RepkoF8A98310D3046BC41769353
Verified2023-01-30SRJ2877F8A98310D3046BC41632753
History
DateUserTypeResult
2023-01-30SRJ2877C-PRP
M13007/27063341758379934742754988920252014464788698313 : F8A98310D3046BC4
PRP: Verified
PRP without proof (small exponent)
2023-01-28Anton RepkoC-PRP
M13007/27063341758379934742754988920252014464788698313 : F8A98310D3046BC4
PRP: Verified
PRP without proof (small exponent)
2023-01-28-Anonymous-F-ECM
Factor: 27063341758379934742754988920252014464788698313 / (ECM curve 464, B1=110000000, B2=8045308576305, Sigma=4651654905698445)
2022-10-29-Anonymous-NF-PM1
B1=1000000000000, B2=1400138873880026280
2022-03-23-Anonymous-NF-PM1
B1=100000000000, B2=100013732677278420
2021-11-04Ruslan BorisovNF
no factor from 2^65 to 2^66
2021-05-10ATHNF-PP1
Start=2/7, B1=1000000000, B2=241000000000
2020-01-10Seth_TrNF-PM1
B1=20000000000, B2=2000000000000, E=12
2019-02-20Anton RepkoNF
no factor from 2^64 to 2^65
2018-10-01Anton RepkoNF
no factor from 2^63 to 2^64
2016-11-17Sid & AndyNF
no factor from 2^62 to 2^63
2016-02-23LaurVNF
no factor from 2^57 to 2^58
2015-08-23snme2pm1NF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
A5B5B483ECF150C7
2013-02-18bcp19NF-PM1
B1=10000000000, B2=500000000000, E=12
2012-11-22bcp19NF
no factor from 2^60 to 2^61
2010-07-11George WoltmanNF
no factor from 2^59 to 2^60
2010-07-04George WoltmanNF
no factor from 2^58 to 2^59
2008-09-03Luigi MorelliNF-PM1
B1=2120000000, B2=212000000000, E=12