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
56348293TF
No factors below 274
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Bad2011-12-28curtiscCEF8C9E7F48763C53848913
Verified2012-10-04pmjenkinsD121CA071B6FA16322080611
Verified2016-09-24AirSquirrelsD121CA071B6FA16321339918
History
DateUserTypeResult
2019-02-04Architects CubedNF
no factor from 2^73 to 2^74
2018-05-29Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=6
2016-09-24AirSquirrelsC-LL
D121CA071B6FA163
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2012-10-04pmjenkinsC-LL
D121CA071B6FA163
2012-01-04Adam StinchcombeNF
no factor from 2^71 to 2^72
2011-12-28curtiscC-LL
CEF8C9E7F48763C5
2011-11-19curtiscNF-PM1
B1=775000
2011-09-22JaeckelNF
no factor from 2^70 to 2^71
2011-09-16mmNF
no factor from 2^69 to 2^70
2011-07-29NBNF
no factor from 2^68 to 2^69
2009-08-22Sturle SundeNF
no factor from 2^67 to 2^68
2008-07-21Sturle SundeNF
no factor from 2^66 to 2^67
2008-07-20Sturle SundeNF
no factor from 2^65 to 2^66
2008-07-20Sturle SundeNF
no factor from 2^64 to 2^65
2008-07-19Sturle SundeNF
no factor from 2^63 to 2^64