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
38858863TF
No factors below 275
TF target 272
P-1
B1 = 440000
B2 = 7480000
LL
StatusDateUserResidueShift
Verified2007-12-31Gunnar Taubert636C93DF4C1D39658596529
Verified2016-09-12Evgeniy Zavialov636C93DF4C1D396518992939
History
DateUserTypeResult
2021-02-21-Anonymous-NF
no factor from 2^74 to 2^75
2020-02-14-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-09LaurVNF
no factor from 2^72 to 2^73
2019-05-18monstNF
no factor from 2^71 to 2^72
2016-09-12Evgeniy ZavialovC-LL
636C93DF4C1D3965
2014-12-10Jerry HallettNF
no factor from 2^70 to 2^71
2014-11-29Mark RoseNF
no factor from 2^69 to 2^70
2013-08-29Le ComteNF
no factor from 2^68 to 2^69