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
74564591TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12245000
LL
StatusDateUserResidueShift
Unverified2016-05-13Jack The Ripper8020BACBF093F1__2793969
History
DateUserTypeResult
2016-05-13Jack The RipperC-LL
8020BACBF093F1__
2016-04-01Mark RoseNF
no factor from 2^57 to 2^64
2016-03-02monstNF-PM1
B1=620000, B2=12245000, E=6
2016-02-15AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-15AirSquirrelsNF
no factor from 2^73 to 2^74
2015-10-24blipNF
no factor from 2^72 to 2^73
2015-08-22ChuckNF
no factor from 2^71 to 2^72
2013-08-28willmoreNF
no factor from 2^70 to 2^71
2012-10-22MadPooNF
no factor from 2^69 to 2^70
2010-10-07GnorfeNF
no factor from 2^68 to 2^69
2010-10-04Yves BellefeuilleNF
no factor from 2^67 to 2^68
2010-09-24MarmaladeNF
no factor from 2^66 to 2^67
2010-07-22Per JessenNF
no factor from 2^65 to 2^66
2010-07-14Per JessenNF
no factor from 2^64 to 2^65