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
39211303TF
No factors below 273
TF target 272
P-1
B1 = 455000
B2 = 8872500
LL
StatusDateUserResidueShift
Verified2007-11-17Ralf RentzingB7AC932442CCB2C827093160
Verified2016-11-15Sergey NosovB7AC932442CCB2C832521927
History
DateUserTypeResult
2022-05-27Sid & AndyNF
no factor from 2^72 to 2^73
2019-07-30monstNF
no factor from 2^71 to 2^72
2016-11-15Sergey NosovC-LL
B7AC932442CCB2C8
2014-12-07XyzzyNF
no factor from 2^70 to 2^71
2014-12-07XyzzyNF
no factor from 2^69 to 2^70
2013-09-22Le ComteNF
no factor from 2^68 to 2^69