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
11970659Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 3214000
B2 = 14388327030
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-05-06Alexander GrässerCD89C960F5A08E0E9776155
Verified2004-08-20Piotr SojkaCD89C960F5A08E0E6270582
History
DateUserTypeResult
2025-06-27Jason LynchNF-PM1
B1=3214000, B2=14388327030
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2022-09-16Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-07-12LaurVNF-PM1
B1=3161897, B2=107127521
2021-06-05Dylan DelgadoNF-PM1
B1=900000, B2=27000000, e=12
2021-05-21lycornNF
no factor from 2^69 to 2^70
2018-01-11ramgeisNF
no factor from 2^68 to 2^69
2018-01-11ramgeisNF
no factor from 2^67 to 2^68
2016-03-09YxinityNF
no factor from 2^66 to 2^67
2015-10-22Sid & AndyNF-PM1
B1=130000, B2=2275000, E=6
2013-10-20NesowaNF
no factor from 2^65 to 2^66
2013-10-05lycornNF
no factor from 2^64 to 2^65