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
40381421TF
No factors below 275
TF target 272
P-1
B1 = 460000
B2 = 8395000
LL
StatusDateUserResidueShift
Bad2008-11-18-Anonymous-AF94B2568EFF094232637134
Verified2015-09-28curtiscA2F63389C5FF007537348639
Verified2016-02-22baseyA2F63389C5FF007516941555
History
DateUserTypeResult
2020-09-27Sid & AndyNF
no factor from 2^74 to 2^75
2019-12-28-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2016-02-22baseyC-LL
A2F63389C5FF0075
2015-09-28curtiscC-LL
A2F63389C5FF0075
2015-03-141997rj7NF
no factor from 2^71 to 2^72
2015-01-07The MawnNF
no factor from 2^70 to 2^71
2015-01-07The MawnNF
no factor from 2^69 to 2^70
2013-11-03VictordeHollanderNF
no factor from 2^68 to 2^69
2008-11-18GnomeloveC-LL
AF94B2568EFF0942