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
42897937TF
No factors below 273
TF target 272
P-1
B1 = 520000
B2 = 14430000
LL
StatusDateUserResidueShift
Verified2008-05-22Ars Technica Team Prime Rib9ED314361402A26C21975012
Verified2017-11-14Sergey Nosov9ED314361402A26C1411549
History
DateUserTypeResult
2020-03-08Sid & AndyNF
no factor from 2^72 to 2^73
2017-11-14Sergey NosovC-LL
9ED314361402A26C
2015-09-06-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-221997rj7NF
no factor from 2^70 to 2^71
2014-03-05Gordon SpenceNF
no factor from 2^69 to 2^70
2014-03-05Gordon SpenceNF
no factor from 2^68 to 2^69