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

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Exponent Range:










MnStatusDetails
2316553TF
No factors below 270
TF target 262
TF below 2^74 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 12400000
B2 = 36725548860
ECM
DigitsB1Curves
2550000206 / 280
Estimated T-Level: 23.7 ⓘ
LL
StatusDateUserResidueShift
VerifiedRobert Clark92B3EE93FFC139E90
Verified1999-06-15jay taylor92B3EE93FFC139E9723853
Verified2018-05-04kkmrkkblmbrbk92B3EE93FFC139E91317872
History
DateUserTypeResult
2023-07-01Sid & AndyNF-PM1
B1=12400000, B2=36725548860
2023-06-07JossNF-PM1
B1=1000000, B2=4694957190
2023-02-23JossNF-PM1
B1=1000000, B2=857695020
2022-12-02Architects CubedNF
no factor from 2^69 to 2^70
2021-07-05TJAOINF
no factor from 2^68 to 2^69
2019-04-15TJAOINF
no factor from 2^67 to 2^68
2018-05-04kkmrkkblmbrbkC-LL
92B3EE93FFC139E9
2018-01-02Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-06-03Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-10-23ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2013-12-06Jerry HallettNF
no factor from 2^62 to 2^63
2012-05-24Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-02-19BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-13Sturle SundeNF
no factor from 2^60 to 2^61