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
38234143TF
No factors below 275
TF target 271
P-1
B1 = 440000
B2 = 8580000
LL
StatusDateUserResidueShift
Verified2007-07-24Alireza Torabi578686B6EB74E59E11072714
Verified2016-07-28Sergey Nosov578686B6EB74E59E20592007
History
DateUserTypeResult
2020-12-28-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-25-Anonymous-NF
no factor from 2^72 to 2^73
2019-10-25-Anonymous-NF
no factor from 2^71 to 2^72
2016-07-28Sergey NosovC-LL
578686B6EB74E59E
2014-12-02Tim SorberaNF
no factor from 2^70 to 2^71
2014-11-09HBendtzNF
no factor from 2^69 to 2^70
2013-09-09Le ComteNF
no factor from 2^68 to 2^69