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
42271043TF
No factors below 273
TF target 272
P-1
B1 = 710000
B2 = 710000
LL
StatusDateUserResidueShift
Verified2009-05-12Juan Luis VaronaB161FECF55B3B5E028257083
Verified2017-10-17Sergey NosovB161FECF55B3B5E031042649
History
DateUserTypeResult
2018-08-10-Anonymous-NF
no factor from 2^72 to 2^73
2017-10-17Sergey NosovC-LL
B161FECF55B3B5E0
2015-08-31AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-18Mark RoseNF
no factor from 2^70 to 2^71
2013-12-20LaurVNF
no factor from 2^69 to 2^70
2013-12-19LaurVNF
no factor from 2^68 to 2^69
2009-05-12Juan Luis VaronaC-LL
B161FECF55B3B5E0
2009-03-12Juan Luis VaronaNF-PM1
B1=710000