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
11649697Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 268
P-1
B1 = 14026236
B2 = 125644559040
ECM
DigitsB1Curves
255000031 / 280
Estimated T-Level: 20.6 ⓘ
LL
StatusDateUserResidueShift
Verified2001-03-05Jean FlinoisFE2C0A43728001029742465
Verified2005-07-17Ars Technica Team Prime RibFE2C0A43728001027625828
History
DateUserTypeResult
2025-03-20yuriy_5-1NF
no factor from 2^74 to 2^75
2024-12-13yuriy_5-1NF
no factor from 2^73 to 2^74
2024-08-16yuriy_5-1NF
no factor from 2^72 to 2^73
2024-05-27yuriy_5-1NF-PM1
B1=14026236, B2=125644559040
2021-08-22LaurVNF-PM1
B1=6189107, B2=185673210
2020-03-06Aaron HavilandNF-PM1
B1=365000, B2=8121250, e=12
2018-02-05Oliver KruseNF
no factor from 2^67 to 2^72
2018-01-21ramgeisNF
no factor from 2^68 to 2^69
2018-01-21ramgeisNF
no factor from 2^67 to 2^68
2016-01-30VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-10Sid & AndyNF-PM1
B1=125000, B2=2187500, E=6
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-11-04lycornNF
no factor from 2^64 to 2^65