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
11490379Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 1069000
B2 = 1111433400
ECM
DigitsB1Curves
255000065 / 280
Estimated T-Level: 21.2
LL
StatusDateUserResidueShift
Verified2001-01-08Andrew Wayner8A9589CE30D3053D9641174
Verified2004-03-26Oleg V.Cat8A9589CE30D3053D6695997
History
DateUserTypeResult
2024-11-17TheJudgerNF
no factor from 2^72 to 2^73
2024-06-02chevronNF-PM1
B1=1069000, B2=1111433400
2023-04-06riccardo ubertiNF-PP1
Start=6/5, B1=2300000, B2=48000000
2023-04-03riccardo ubertiNF-PP1
Start=2/7, B1=2000000, B2=40000000
2023-03-11riccardo ubertiNF-PM1
B1=1500000, B2=102858210
2023-02-24riccardo ubertiNF
no factor from 2^71 to 2^72
2021-08-17SRBaseNF
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
2015-03-15NesowaNF
no factor from 2^65 to 2^66
2013-11-09lycornNF
no factor from 2^64 to 2^65
2012-03-15James HeinrichNF-PM1
B1=220000, B2=5335000, E=6