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
48718207Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 800000
B2 = 16000000
LL
StatusDateUserResidueShift
Verified2011-03-10GennadyEE894AE003CAD55640736062
Verified2016-11-21kkmrkkblmbrbkEE894AE003CAD55619573816
History
DateUserTypeResult
2024-08-16tbusbyNF
no factor from 2^69 to 2^70
2018-10-21Sid & AndyNF-PM1
B1=800000, B2=16000000, E=6
2017-12-19Sid & AndyNF
no factor from 2^72 to 2^73
2016-11-21kkmrkkblmbrbkC-LL
EE894AE003CAD556
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-19Sid & AndyNF
no factor from 2^70 to 2^71
2015-07-30Architects CubedNF
no factor from 2^69 to 2^70
2011-03-10GennadyC-LL
EE894AE003CAD556
2010-02-14mgsoftNF-PM1
B1=765000