Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
56621099TF
No factors below 275
TF target 273
P-1
B1 = 670000
B2 = 17755000
LL
StatusDateUserResidueShift
Bad2014-02-12kallsopDBEC81CE6298FA4023949090
Verified2015-01-30Chris SeymourCF8984D7D7F4100F53814536
Bad2016-10-01AirSquirrels3DBEEB0AAE0E183B0
Verified2016-10-04MadPooCF8984D7D7F4100F20135204
History
DateUserTypeResult
2020-03-10Sid & AndyNF
no factor from 2^74 to 2^75
2016-10-04MadPooC-LL
CF8984D7D7F4100F
2016-10-01AirSquirrelsC-LL
3DBEEB0AAE0E183B
2015-01-30Chris SeymourC-LL
CF8984D7D7F4100F
2014-10-02srow7NF
no factor from 2^73 to 2^74
2014-02-12kallsopC-LL
DBEC81CE6298FA40
2013-12-26ktonyNF
no factor from 2^72 to 2^73
2012-05-31Kyle AskineNF
no factor from 2^71 to 2^72
2012-03-09Kyle AskineNF
no factor from 2^70 to 2^71
2012-02-20BdotNF
no factor from 2^69 to 2^70
2011-12-16S485122NF-PM1
B1=670000, B2=17755000
2011-04-16Paul LeylandNF
no factor from 2^68 to 2^69
2009-05-23raymondfNF
no factor from 2^67 to 2^68
2008-04-16James HeinrichNF
no factor from 2^66 to 2^67
2008-04-15James HeinrichNF
no factor from 2^65 to 2^66
2008-04-13James HeinrichNF
no factor from 2^64 to 2^65