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
52213423TF
No factors below 274
TF target 273
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2011-09-19curtiscFFAF4CF38F315AD135055975
Verified2019-07-18d3zorgFFAF4CF38F315AD150800264
History
DateUserTypeResult
2019-07-18d3zorgC-LL
FFAF4CF38F315AD1
2019-06-22Jon PaceNF
no factor from 2^73 to 2^74
2018-05-23Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=6
2016-02-02AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-06Mark RoseNF
no factor from 2^70 to 2^71
2014-11-05NesowaNF
no factor from 2^69 to 2^70
2011-09-19curtiscC-LL
FFAF4CF38F315AD1
2011-06-04AlexClemonsNF-PM1
B1=850000
2010-03-24Sturle SundeNF
no factor from 2^68 to 2^69
2009-04-18-Anonymous-NF
no factor from 2^67 to 2^68
2009-04-11dlerick66NF
no factor from 2^66 to 2^67
2009-04-09dlerick66NF
no factor from 2^65 to 2^66
2009-04-08dlerick66NF
no factor from 2^64 to 2^65
2008-11-03DerekNF
no factor to 2^64