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
38910437TF
No factors below 274
TF target 272
P-1
B1 = 1030000
B2 = 22917500
LL
StatusDateUserResidueShift
Verified2007-08-14C. Cooper / S. BooneA820B044458A222A10905917
Verified2016-09-24Sergey NosovA820B044458A222A19009138
History
DateUserTypeResult
2020-07-30Architects CubedNF-PM1
B1=1030000, B2=22917500, E=12
2020-02-21-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-12-Anonymous-NF
no factor from 2^72 to 2^73
2019-04-20monstNF
no factor from 2^71 to 2^72
2016-09-24Sergey NosovC-LL
A820B044458A222A
2014-12-07XyzzyNF
no factor from 2^70 to 2^71
2014-12-07XyzzyNF
no factor from 2^69 to 2^70
2013-08-31america64NF
no factor from 2^68 to 2^69