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
40447261TF
No factors below 273
TF target 272
P-1
B1 = 415000
B2 = 3423750
LL
StatusDateUserResidueShift
Verified2007-11-17bill trousdaleAFB7D05AC179937839495099
Verified2017-03-08Sergey NosovAFB7D05AC179937810155589
History
DateUserTypeResult
2022-04-12Sid & AndyNF
no factor from 2^72 to 2^73
2017-03-08Sergey NosovC-LL
AFB7D05AC1799378
2015-04-05Gordon SpenceNF
no factor from 2^71 to 2^72
2015-01-06chalsallNF
no factor from 2^70 to 2^71
2015-01-04Mark RoseNF
no factor from 2^69 to 2^70
2013-11-08Carsten KossendeyNF
no factor from 2^68 to 2^69