Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11498537Composite: 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
Verified2000-12-31Craig Bauer836BDDB616FB03042693674
Verified2004-04-09Marc Getty / Phil Fizur836BDDB616FB03047984661
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-05-15chevronNF-PM1
B1=1069000, B2=1111433400
2023-04-24storm5510NF-PM1
B1=640000, B2=321796230
2023-03-04krackerNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-02ramgeisNF
no factor from 2^68 to 2^69
2018-01-02ramgeisNF
no factor from 2^67 to 2^68
2016-03-22ThaNF-PM1
B1=300000, B2=6000000, E=6
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