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
56990413TF
No factors below 274
TF target 273
P-1
B1 = 680000
B2 = 19720000
LL
StatusDateUserResidueShift
Bad2013-06-10Fabrice Bellet051E29CAA0FE1D8213427238
Verified2015-03-07riccardo uberti6FC8FE1478B8474841401497
Verified2016-11-15AirSquirrels6FC8FE1478B847480
History
DateUserTypeResult
2016-11-15AirSquirrelsC-LL
6FC8FE1478B84748
2015-03-07riccardo ubertiC-LL
6FC8FE1478B84748
2014-10-23LaurVNF
no factor from 2^73 to 2^74
2013-12-30axnNF
no factor from 2^72 to 2^73
2013-06-10Fabrice BelletC-LL
051E29CAA0FE1D82
2011-12-30phoenicisNF
no factor from 2^71 to 2^72
2011-12-30phoenicisNF
no factor from 2^70 to 2^71
2011-11-15rduerrNF
no factor from 2^68 to 2^70
2011-10-19pshafferNF-PM1
B1=680000, B2=19720000, E=6
2010-01-29ZachariassenNF
no factor from 2^67 to 2^68
2008-09-03Sturle SundeNF
no factor from 2^66 to 2^67
2008-09-01Sturle SundeNF
no factor from 2^65 to 2^66
2008-08-31Sturle SundeNF
no factor from 2^64 to 2^65
2008-08-30Sturle SundeNF
no factor from 2^63 to 2^64