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
39402971TF
No factors below 274
TF target 272
P-1
B1 = 455000
B2 = 8872500
LL
StatusDateUserResidueShift
Verified2007-11-17Keith Costello84B58271B197656C23849374
Verified2016-12-03Sergey Nosov84B58271B197656C32426143
History
DateUserTypeResult
2020-01-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-12-Anonymous-NF
no factor from 2^72 to 2^73
2019-06-26monstNF
no factor from 2^71 to 2^72
2016-12-03Sergey NosovC-LL
84B58271B197656C
2014-12-13ChuckNF
no factor from 2^70 to 2^71
2014-12-08VictordeHollanderNF
no factor from 2^69 to 2^70
2013-09-22Le ComteNF
no factor from 2^68 to 2^69