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
56523427TF
No factors below 274
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Bad2012-08-19Jems0C2E235806BCE70C20239708
Verified2015-02-08cuBerBruce5A8B42BBB5BB7D9D33051867
Verified2016-09-29AirSquirrels5A8B42BBB5BB7D9D0
History
DateUserTypeResult
2018-03-12Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2016-09-29AirSquirrelsC-LL
5A8B42BBB5BB7D9D
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2015-02-08cuBerBruceC-LL
5A8B42BBB5BB7D9D
2014-09-30Craig MeyersNF
no factor from 2^73 to 2^74
2014-02-06ktonyNF
no factor from 2^72 to 2^73
2012-08-19JemsC-LL
0C2E235806BCE70C
2012-05-19Craig MeyersNF
no factor from 2^71 to 2^72
2011-12-19-Anonymous-NF-PM1
B1=775000
2011-09-08dtlgcNF
no factor from 2^70 to 2^71
2011-06-15XyzzyNF
no factor from 2^69 to 2^70
2011-04-15Ralf ReckerNF
no factor from 2^68 to 2^69
2009-11-25Charles SpaltonNF
no factor from 2^67 to 2^68
2008-03-10Sturle SundeNF
no factor from 2^66 to 2^67
2008-03-09Sturle SundeNF
no factor from 2^65 to 2^66
2008-03-08Sturle SundeNF
no factor from 2^64 to 2^65