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
42450391TF
No factors below 274
TF target 272
P-1
B1 = 405000
B2 = 3240000
LL
StatusDateUserResidueShift
Verified2008-09-16Ahmer AliE05BFF002CD8D6FC15092961
Verified2017-10-30Sergey NosovE05BFF002CD8D6FC14879706
History
DateUserTypeResult
2022-04-10TheJudgerNF
no factor from 2^73 to 2^74
2022-04-10TheJudgerNF
no factor from 2^72 to 2^73
2017-10-30Sergey NosovC-LL
E05BFF002CD8D6FC
2015-08-17Sid & AndyNF
no factor from 2^71 to 2^72
2015-03-15Mark RoseNF
no factor from 2^70 to 2^71
2015-02-10chalsallNF
no factor from 2^69 to 2^70