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
78438343TF
No factors below 275
TF target 275
P-1
B1 = 660000
B2 = 13200000
LL
StatusDateUserResidueShift
Unverified2016-11-05basey4DCC13040518ED__28475492
History
DateUserTypeResult
2016-11-05baseyC-LL
4DCC13040518ED__
2016-06-05TheJudgerNF-PM1
B1=660000, B2=13200000, E=12
2016-05-311997rj7NF
no factor from 2^74 to 2^75
2016-05-27RichD0NF
no factor from 2^73 to 2^74
2016-05-25RichD0NF
no factor from 2^72 to 2^73
2015-07-15RichD0NF
no factor from 2^71 to 2^72
2014-02-27PascalBieriNF
no factor from 2^70 to 2^71
2011-01-21lindedNF
no factor from 2^69 to 2^70
2011-01-19Torchwood InstituteNF
no factor from 2^68 to 2^69
2011-01-16Torchwood InstituteNF
no factor from 2^67 to 2^68
2011-01-12seekuaNF
no factor from 2^66 to 2^67
2011-01-05seekuaNF
no factor from 2^65 to 2^66
2010-12-31-Anonymous-NF
no factor from 2^64 to 2^65