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
47660317Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 560000
B2 = 14980000
LL
StatusDateUserResidueShift
Verified2009-01-17SternenlichtD0AE311DEDD01B5310526844
Verified2019-05-24Lars Boegild ThomsenD0AE311DEDD01B5316616617
History
DateUserTypeResult
2019-05-24Lars Boegild ThomsenC-LL
D0AE311DEDD01B53
2017-11-19TheJudgerNF
no factor from 2^72 to 2^73
2015-11-20-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-14LaurVNF
no factor from 2^70 to 2^71
2015-08-29Gordon SpenceNF
no factor from 2^69 to 2^70
2009-01-17SternenlichtC-LL
D0AE311DEDD01B53
2008-11-25SternenlichtNF-PM1
B1=560000, B2=14980000