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
56515721TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 12288750
LL
StatusDateUserResidueShift
Verified2015-02-07electron1897ABD66052A5ADCB2B22827012
Verified2021-04-10Dmitriy DegtiarevABD66052A5ADCB2B4548527
History
DateUserTypeResult
2021-04-10Dmitriy DegtiarevC-LL
ABD66052A5ADCB2B
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2015-02-07electron1897C-LL
ABD66052A5ADCB2B
2014-09-30Craig MeyersNF
no factor from 2^73 to 2^74
2014-03-04ChuckNF
no factor from 2^72 to 2^73
2012-07-11jimmychauNF-PM1
B1=565000, B2=12288750, E=6
2012-07-05Jerry HallettNF
no factor from 2^71 to 2^72
2011-09-16-Anonymous-NF
no factor from 2^70 to 2^71
2011-08-21Smok_bmv NF
no factor from 2^69 to 2^70
2011-04-20Zet_korNF
no factor from 2^68 to 2^69
2009-11-19-Anonymous-NF
no factor from 2^67 to 2^68
2008-06-03Sturle SundeNF
no factor from 2^66 to 2^67
2008-06-02Sturle SundeNF
no factor from 2^65 to 2^66
2008-04-09Chad DavisNF
no factor from 2^64 to 2^65