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
11449409Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 1069000
B2 = 1111433400
ECM
DigitsB1Curves
255000051 / 280
Estimated T-Level: 20.9 ⓘ
LL
StatusDateUserResidueShift
Verified2001-02-25Grzegorz WrochnaA38A3EB5E6DEDE245604534
Verified2004-03-16Julian StecklinaA38A3EB5E6DEDE247666569
History
DateUserTypeResult
2024-05-14chevronNF-PM1
B1=1069000, B2=1111433400
2023-03-21Sid & AndyNF
no factor from 2^72 to 2^73
2023-03-21Sid & AndyNF
no factor from 2^71 to 2^72
2021-08-15SRBaseNF
no factor from 2^70 to 2^71
2021-08-15LaurVNF-PM1
B1=6189107, B2=185673210
2021-08-06SRBaseNF
no factor from 2^69 to 2^70
2018-01-05ramgeisNF
no factor from 2^68 to 2^69
2018-01-05ramgeisNF
no factor from 2^67 to 2^68
2016-01-15VictordeHollanderNF
no factor from 2^66 to 2^67
2015-04-15Sid & AndyNF-PM1
B1=120000, B2=2070000, E=6
2015-02-25NesowaNF
no factor from 2^65 to 2^66
2013-11-17lycornNF
no factor from 2^64 to 2^65