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
40209391TF
No factors below 274
TF target 272
P-1
B1 = 415000
B2 = 3423750
LL
StatusDateUserResidueShift
Verified2008-03-05Johan KoolwaaijB24D698A162477F319941417
Verified2017-02-13Sergey NosovB24D698A162477F337498003
History
DateUserTypeResult
2020-01-05Sid & AndyNF
no factor from 2^73 to 2^74
2019-10-06-Anonymous-NF
no factor from 2^72 to 2^73
2017-02-13Sergey NosovC-LL
B24D698A162477F3
2015-01-231997rj7NF
no factor from 2^71 to 2^72
2014-12-18NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-18NickOfTimeNF
no factor from 2^69 to 2^70
2013-10-28Carsten KossendeyNF
no factor from 2^68 to 2^69