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
2333719Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 262
TF below 2^73 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 12300000
B2 = 36418221840
ECM
DigitsB1Curves
2550000200 / 280
Estimated T-Level: 23.6 ⓘ
LL
StatusDateUserResidueShift
VerifiedJim Fare00D44FF858EC20340
Verified1999-03-15dave00D44FF858EC20341681494
Verified2018-05-07kkmrkkblmbrbk00D44FF858EC2034691576
History
DateUserTypeResult
2024-05-05GregNF
no factor from 2^69 to 2^70
2023-07-10Sid & AndyNF-PM1
B1=12300000, B2=36418221840
2023-03-20JossNF-PM1
B1=1000000, B2=1647746100
2023-02-27JossNF-PM1
B1=1000000, B2=571651080
2023-01-30Architects CubedNF
no factor from 2^69 to 2^70
2021-06-10TJAOINF
no factor from 2^68 to 2^69
2019-03-25TJAOINF
no factor from 2^67 to 2^68
2018-05-07kkmrkkblmbrbkC-LL
00D44FF858EC2034
2018-03-01Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-06-05Gordon 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
2012-05-27Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-02-23BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61