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
54837421Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 540000
B2 = 10800000
LL
StatusDateUserResidueShift
Verified2013-04-08zyzhanE22046F290CCE13F11728263
Verified2020-11-12Dmitriy DegtiarevE22046F290CCE13F12451786
History
DateUserTypeResult
2020-11-12Dmitriy DegtiarevC-LL
E22046F290CCE13F
2019-06-13Jon PaceNF
no factor from 2^73 to 2^74
2016-02-06-Anonymous-NF
no factor from 2^72 to 2^73
2013-04-08zyzhanC-LL
E22046F290CCE13F
2012-03-24Torchwood InstituteNF-PM1
B1=540000, B2=10800000
2012-02-10Craig MeyersNF
no factor from 2^70 to 2^72
2011-05-21David CampeauNF
no factor from 2^69 to 2^70
2011-04-01S00030NF
no factor from 2^68 to 2^69
2009-09-10S485122NF
no factor from 2^67 to 2^68
2009-03-06BARBBARITTANF
no factor from 2^66 to 2^67
2009-03-04BARBBARITTANF
no factor from 2^65 to 2^66
2009-03-01BARBBARITTANF
no factor from 2^64 to 2^65
2009-02-27BARBBARITTANF
no factor from 2^63 to 2^64
2008-07-29-Anonymous-NF
no factor to 2^63