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
11682487Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 268
P-1
B1 = 14065716
B2 = 125644559040
ECM
DigitsB1Curves
255000033 / 280
Estimated T-Level: 20.6 ⓘ
LL
StatusDateUserResidueShift
VerifiedAndrea DyballaBC74BA5F8B84F3437928436
Verified2002-06-23Ann BurkeBC74BA5F8B84F3438546652
History
DateUserTypeResult
2025-01-08yuriy_5-1NF
no factor from 2^74 to 2^75
2025-01-08yuriy_5-1NF
no factor from 2^73 to 2^74
2024-08-16yuriy_5-1NF
no factor from 2^72 to 2^73
2024-06-17yuriy_5-1NF-PM1
B1=14065716, B2=125644559040
2021-08-18LaurVNF-PM1
B1=6189107, B2=185673210
2020-01-03riccardo ubertiNF-PM1
B1=430000, B2=8500000, 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
2016-02-08VictordeHollanderNF
no factor from 2^66 to 2^67
2014-12-20NesowaNF
no factor from 2^65 to 2^66
2013-10-30lycornNF
no factor from 2^64 to 2^65