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
10895879Composite: 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
Verified2001-02-25Kenneth L. Witt0A7B32416B37EC005150316
Verified2004-10-03Luis0A7B32416B37EC00677705
History
DateUserTypeResult
2024-11-22Sid & AndyNF
no factor from 2^72 to 2^73
2024-04-02Sid & AndyNF-PM1
B1=2300000, B2=1663207260
2024-03-29cramsey87NF-PM1
B1=300000, B2=1003053870
2021-10-29SRBaseNF
no factor from 2^71 to 2^72
2021-08-21SRBaseNF
no factor from 2^70 to 2^71
2020-09-17ViliamFNF
no factor from 2^69 to 2^70
2017-12-21ramgeisNF
no factor from 2^68 to 2^69
2017-12-21ramgeisNF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-20ThaNF
no factor from 2^65 to 2^66
2013-12-08lycornNF
no factor from 2^64 to 2^65