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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
10885099Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 2300000
B2 = 1663207260
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
LL
StatusDateUserResidueShift
Verified2000-12-21Ken FoxA9835FA86D084A7510451245
Verified2004-01-18Andy StreichA9835FA86D084A753361443
History
DateUserTypeResult
2024-12-06RichD0NF
no factor from 2^72 to 2^73
2024-03-20Sid & AndyNF-PM1
B1=2300000, B2=1663207260
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2020-09-17ViliamFNF
no factor from 2^69 to 2^70
2018-01-13ThaNF-PM1
B1=300000, B2=6000000, E=6
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-18ThaNF
no factor from 2^65 to 2^66
2013-12-08lycornNF
no factor from 2^64 to 2^65