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
54434311Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 630000
B2 = 15277500
LL
StatusDateUserResidueShift
Verified2011-11-28Klaus Derouaux08D2DE1F14772BB842812901
Verified2020-10-09Sergey Nosov08D2DE1F14772BB836504339
History
DateUserTypeResult
2020-10-09Sergey NosovC-LL
08D2DE1F14772BB8
2019-07-25Mark RoseNF
no factor from 2^73 to 2^74
2016-01-28AirSquirrelsNF
no factor from 2^72 to 2^73
2011-11-28Klaus DerouauxC-LL
08D2DE1F14772BB8
2011-11-14Craig MeyersNF
no factor from 2^69 to 2^72
2011-11-14S36049NF-PM1
B1=630000, B2=15277500
2011-03-31steinrarNF
no factor from 2^68 to 2^69
2009-11-17WiseKaaNF
no factor from 2^67 to 2^68
2008-12-29raymondfNF
no factor from 2^66 to 2^67
2008-12-28raymondfNF
no factor from 2^65 to 2^66
2008-12-26raymondfNF
no factor from 2^64 to 2^65
2008-12-151997rj7NF
no factor to 2^64
2008-07-04CorbyguyNF
no factor from 2^62 to 2^63