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
71903747TF
No factors below 276
TF target 274
P-1
B1 = 705000
B2 = 15686250
LL
StatusDateUserResidueShift
Verified2016-12-15Brian Beuning0B7C4CA4799EA63918476674
Verified2023-07-14Sergei Kozelko0B7C4CA4799EA63962083704
History
DateUserTypeResult
2023-07-14Sergei KozelkoC-LL
0B7C4CA4799EA639
2023-01-08tottenhoffNF
no factor from 2^75 to 2^76
2016-12-15Brian BeuningC-LL
0B7C4CA4799EA639
2016-08-09AirSquirrelsNF
no factor from 2^74 to 2^75
2015-10-20Judge HaleNF
no factor from 2^73 to 2^74
2015-05-31TheJudgerNF-PM1
B1=705000, B2=15686250, E=12
2015-05-08srow7NF
no factor from 2^72 to 2^73
2015-02-08ixfd64NF
no factor from 2^71 to 2^72
2014-05-23HBendtzNF
no factor from 2^70 to 2^71
2012-11-20Marius ZensNF
no factor from 2^69 to 2^70
2010-07-14S00030NF
no factor from 2^68 to 2^69
2010-05-12eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-05-09eon_blue_apocalypseNF
no factor from 2^66 to 2^67
2010-05-08eon_blue_apocalypseNF
no factor from 2^65 to 2^66
2010-05-06lindedNF
no factor from 2^64 to 2^65
2008-10-03-Anonymous-NF
no factor to 2^64