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

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Exponent Range:










MnStatusDetails
2546429TF
No factors below 270
TF target 263
TF below 2^74 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 5000000
B2 = 8646469650
ECM
DigitsB1Curves
2550000218 / 280
Estimated T-Level: 23.9 ⓘ
LL
StatusDateUserResidueShift
VerifiedThomas V. OakesA92C390B5756C4160
Verified1999-04-02Ethan O'ConnorA92C390B5756C416256339
Verified2018-06-11kkmrkkblmbrbkA92C390B5756C416917555
History
DateUserTypeResult
2024-03-15TJAOINF
no factor from 2^69 to 2^70
2023-02-02Architects CubedNF-PM1
B1=5000000, B2=8646469650
2021-06-17TJAOINF
no factor from 2^68 to 2^69
2019-03-11TJAOINF
no factor from 2^67 to 2^68
2018-10-05mikrNF-PM1
B1=3000000, B2=135000000, E=12
2018-08-17JossNF-PM1
B1=600000, B2=6000000, E=6
2018-06-11kkmrkkblmbrbkC-LL
A92C390B5756C416
2017-08-08Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-11-08ramgeisNF
no factor from 2^65 to 2^66
2015-02-23VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-23VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-14dbaughNF
no factor from 2^62 to 2^63
2012-06-15Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-02-23James HeinrichNF-PM1
B1=300000, B2=8000000, E=12
2011-01-08JossNF-PM1
B1=50000
2010-12-19JossNF-PM1
B1=20000
2009-02-01Sturle SundeNF
no factor from 2^60 to 2^61