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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2326913Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 262
TF below 2^80 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 12400000
B2 = 37032875880
ECM
DigitsB1Curves
2550000280 / 280
3025000088 / 640
Estimated T-Level: 25.7 ⓘ
LL
StatusDateUserResidueShift
VerifiedRich Harms51A4AF6945A487260
Verified1999-03-15Phil Brett51A4AF6945A487261864628
Verified2018-05-06kkmrkkblmbrbk51A4AF6945A487261443397
History
DateUserTypeResult
2023-07-06Sid & AndyNF-PM1
B1=12400000, B2=37032875880
2023-03-14JossNF-PM1
B1=1000000, B2=1647746100
2023-02-25JossNF-PM1
B1=1000000, B2=571651080
2022-12-26Architects CubedNF
no factor from 2^69 to 2^70
2021-06-17TJAOINF
no factor from 2^68 to 2^69
2019-04-01TJAOINF
no factor from 2^67 to 2^68
2018-05-06kkmrkkblmbrbkC-LL
51A4AF6945A48726
2017-12-03Sid & 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 2^1 to 2^60
2015-10-25ramgeisNF
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
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-26Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-03-01BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-17Sturle SundeNF
no factor from 2^60 to 2^61