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
38874677TF
No factors below 275
TF target 272
P-1
B1 = 465000
B2 = 12438750
LL
StatusDateUserResidueShift
Verified2007-12-03Patrik Johansson3285F4405D8121AB341122
Verified2016-09-15Sergey Nosov3285F4405D8121AB21019854
History
DateUserTypeResult
2021-02-19-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-08Sid & AndyNF
no factor from 2^72 to 2^73
2019-05-28monstNF
no factor from 2^71 to 2^72
2016-09-15Sergey NosovC-LL
3285F4405D8121AB
2014-12-03ktonyNF
no factor from 2^70 to 2^71
2014-12-03ktonyNF
no factor from 2^69 to 2^70
2013-08-30David CampeauNF
no factor from 2^68 to 2^69