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
2363651Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 263
TF below 2^81 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 14400000
B2 = 36894702390
ECM
DigitsB1Curves
2550000280 / 280
3025000098 / 640
Estimated T-Level: 25.8 ⓘ
LL
StatusDateUserResidueShift
VerifiedJohn Lloyd79312567895EB0070
Verified1999-03-26Charles Dorian79312567895EB0071000131
Verified2018-05-11kkmrkkblmbrbk79312567895EB0072048244
History
DateUserTypeResult
2024-03-22TJAOINF
no factor from 2^69 to 2^70
2023-10-09Sid & AndyNF-PM1
B1=14400000, B2=36894702390
2023-09-09JossNF-PM1
B1=1000000, B2=15516288060
2023-07-15JossNF-PM1
B1=1000000, B2=3799936140
2023-03-21JossNF-PM1
B1=1000000, B2=1647746100
2023-01-22JossNF-PM1
B1=1000000, B2=571651080
2021-07-12TJAOINF
no factor from 2^68 to 2^69
2019-04-15TJAOINF
no factor from 2^67 to 2^68
2018-05-11kkmrkkblmbrbkC-LL
79312567895EB007
2017-06-13Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-29ramgeisNF
no factor from 2^65 to 2^66
2015-09-03mikrNF-PM1
B1=3000000, B2=100000000, E=12
2015-03-09VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-09VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-03JossNF-PM1
B1=127155
2013-12-04Jerry HallettNF
no factor from 2^62 to 2^63
2012-05-30Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-12-31markrNF-PM1
B1=100000, B2=2025000, E=6
2010-11-03JossNF-PM1
B1=20000
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61