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
82997627Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 660000
B2 = 12870000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-01-03Mihai Preda685A7517D83581BA5163729913
Verified2020-05-09_p95holder_685A7517D83581BA439932213
History
DateUserTypeResult
2020-05-09_p95holder_C-PRP
685A7517D83581BA
PRP: Verified
PRP without proof (not generated)
2019-01-03Mihai PredaC-PRP
685A7517D83581BA
PRP: Verified
PRP without proof (not generated)
2017-01-22TheJudgerNF-PM1
B1=660000, B2=12870000, E=12
2017-01-17ktonyNF
no factor from 2^75 to 2^76
2016-12-26AirSquirrelsNF
no factor from 2^74 to 2^75
2016-12-26AirSquirrelsNF
no factor from 2^73 to 2^74
2016-10-14GregNF
no factor from 2^72 to 2^73
2016-10-14GregNF
no factor from 2^71 to 2^72
2013-11-07SMoffatNF
no factor from 2^70 to 2^71
2013-08-27Duane BongNF
no factor from 2^69 to 2^70
2013-08-25Duane BongNF
no factor from 2^68 to 2^69
2013-01-31rjbelansNF
no factor from 2^67 to 2^68
2011-03-29Ake TilanderNF
no factor from 2^66 to 2^67
2011-03-25OS1NF
no factor from 2^65 to 2^66
2010-12-13Architects CubedNF
no factor from 2^64 to 2^65
2010-01-081997rj7NF
no factor from 2^63 to 2^64