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
70223389Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 685000
B2 = 15241250
LL
StatusDateUserResidueShift
Verified2015-02-203astF5EB518038F4C34329803374
Verified2024-09-05Ryan PropperF5EB518038F4C34314888168
History
DateUserTypeResult
2024-09-05Ryan PropperC-LL
F5EB518038F4C343
2016-10-04monstNF
no factor from 2^74 to 2^75
2015-02-203astC-LL
F5EB518038F4C343
2014-10-10ChuckNF
no factor from 2^73 to 2^74
2014-10-05TheJudgerNF-PM1
B1=685000, B2=15241250, E=12
2014-09-28RichD0NF
no factor from 2^72 to 2^73
2014-09-05srow7NF
no factor from 2^71 to 2^72
2013-07-30Le ComteNF
no factor from 2^70 to 2^71
2009-11-01ITSNF
no factor to 2^70
2008-11-28Wojciech FlorekNF
no factor to 2^64