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
11495983Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 1069000
B2 = 1111433400
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-09-10George Potts071CEC8A926BF49410463150
Verified2004-03-01Ars Technica Team Prime Rib071CEC8A926BF4941275668
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-06-03chevronNF-PM1
B1=1069000, B2=1111433400
2023-04-18storm5510NF-PM1
B1=654000, B2=356837670
2023-02-22Naegi MakotoNF
no factor from 2^71 to 2^72
2021-08-18SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-01ramgeisNF
no factor from 2^68 to 2^69
2018-01-01ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2015-03-18NesowaNF
no factor from 2^65 to 2^66
2013-11-09lycornNF
no factor from 2^64 to 2^65
2012-03-16James HeinrichNF-PM1
B1=225000, B2=5343750, E=6