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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11400737Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 800000
B2 = 695999850
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-05-13Tomasz ZoltowskiC0EDA8D2C122F2FF5829515
Verified2004-03-26Penny Black RC0EDA8D2C122F2FF8873116
History
DateUserTypeResult
2024-03-20chevronNF-PM1
B1=800000, B2=695999850
2022-12-28Naegi MakotoNF
no factor from 2^72 to 2^73
2022-12-28Naegi MakotoNF
no factor from 2^71 to 2^72
2022-07-17James HeinrichNF-PM1
B1=648000, B2=372615180
2021-08-17SRBaseNF
no factor from 2^70 to 2^71
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-03-31Sid & AndyNF-PM1
B1=120000, B2=2070000, E=6
2015-02-25NesowaNF
no factor from 2^65 to 2^66
2013-10-20TharsisNF
no factor from 2^64 to 2^65