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
53508149Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 635000
B2 = 18415000
LL
StatusDateUserResidueShift
Verified2012-01-03curtiscA2F4EE5317C78F7224623298
Verified2020-05-14Smok_bmv A2F4EE5317C78F726909197
History
DateUserTypeResult
2020-05-14Smok_bmv C-LL
A2F4EE5317C78F72
2019-01-05Mark RoseNF
no factor from 2^73 to 2^74
2016-02-03AirSquirrelsNF
no factor from 2^72 to 2^73
2012-01-03curtiscC-LL
A2F4EE5317C78F72
2011-11-27Craig MeyersNF
no factor from 2^70 to 2^72
2011-05-31megavinkNF
no factor from 2^69 to 2^70
2011-02-15JMGarciaNF
no factor from 2^68 to 2^69
2010-12-12Chun sung sooNF-PM1
B1=635000, B2=18415000, E=6
2009-05-14SAHS Physics ClubNF
no factor from 2^67 to 2^68
2009-05-09SAHS Physics ClubNF
no factor from 2^66 to 2^67
2009-05-03Sturle SundeNF
no factor from 2^65 to 2^66
2008-12-18Lukasz WrobelNF
no factor from 2^64 to 2^65
2008-07-14-Anonymous-NF
no factor to 2^64