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
57269221TF
No factors below 274
TF target 273
P-1
B1 = 570000
B2 = 12112500
LL
StatusDateUserResidueShift
Bad2012-08-10Brian Barbagallo09C6A99CD5A000084237314
Verified2013-05-22curtiscA8718EF8AB90D9B424403167
Verified2016-08-19AirSquirrelsA8718EF8AB90D9B434695414
History
DateUserTypeResult
2018-02-06monstNF
no factor from 2^73 to 2^74
2016-08-19AirSquirrelsC-LL
A8718EF8AB90D9B4
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2013-05-22curtiscC-LL
A8718EF8AB90D9B4
2012-10-04Jerry HallettNF
no factor from 2^72 to 2^73
2012-08-10Brian BarbagalloC-LL
09C6A99CD5A00008
2012-06-15UgmNF-PM1
B1=570000, B2=12112500, E=6
2012-05-20Craig MeyersNF
no factor from 2^71 to 2^72
2012-01-19James HeinrichNF
no factor from 2^70 to 2^71
2012-01-04Adam StinchcombeNF
no factor from 2^69 to 2^70
2011-11-19rduerrNF
no factor from 2^68 to 2^69
2009-05-27HazmattomNF
no factor from 2^67 to 2^68
2008-09-27Sturle SundeNF
no factor from 2^66 to 2^67
2008-09-26Sturle SundeNF
no factor from 2^65 to 2^66
2008-09-24Sturle SundeNF
no factor from 2^64 to 2^65
2008-09-23Sturle SundeNF
no factor from 2^63 to 2^64