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
38610239TF
No factors below 275
TF target 272
P-1
B1 = 420000
B2 = 8925000
LL
StatusDateUserResidueShift
Verified2008-03-05Markus Untersee4E06415BD7A7E0011381092
Verified2017-02-26Alexander Dubrovin4E06415BD7A7E00113081902
Verified2017-03-01endless_mike4E06415BD7A7E00137595070
History
DateUserTypeResult
2020-11-17-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-01-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-01endless_mikeC-LL
4E06415BD7A7E001
2017-02-26Alexander DubrovinC-LL
4E06415BD7A7E001
2017-02-11Bruno VictalNF
no factor from 2^72 to 2^73
2017-02-11Bruno VictalNF
no factor from 2^71 to 2^72
2014-12-061997rj7NF
no factor from 2^70 to 2^71
2014-10-09mikrNF
no factor from 2^69 to 2^70