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
38966047TF
No factors below 274
TF target 272
P-1
B1 = 470000
B2 = 13512500
LL
StatusDateUserResidueShift
Verified2007-10-17Hochul K. Lee5C688426087C98E119110987
Bad2015-10-19demfloroE064F7B0353F41D7758836
Verified2016-04-20AirSquirrels5C688426087C98E133600640
History
DateUserTypeResult
2020-02-28-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-05-26monstNF
no factor from 2^71 to 2^72
2016-04-20AirSquirrelsC-LL
5C688426087C98E1
2015-10-19demfloroC-LL
E064F7B0353F41D7
2014-12-09ChuckNF
no factor from 2^70 to 2^71
2014-10-27HBendtzNF
no factor from 2^69 to 2^70
2013-09-03Le ComteNF
no factor from 2^68 to 2^69