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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MnStatusDetails
46588561Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShift
Verified2009-11-13CJPage429E9C2FEA1C118626699923
Verified2019-01-12Chuck429E9C2FEA1C118623118399
History
DateUserTypeResult
2024-06-29k0r3NF
no factor from 2^71 to 2^72
2019-10-14Sid & AndyNF
no factor from 2^73 to 2^74
2019-07-13Sid & AndyNF-PM1
B1=1000000, B2=20000000, E=12
2019-01-12ChuckC-LL
429E9C2FEA1C1186
2017-12-26-Anonymous-NF
no factor from 2^72 to 2^73
2015-11-20-Anonymous-NF
no factor from 2^71 to 2^72
2015-11-02XZTNF
no factor from 2^70 to 2^71
2015-08-31Mark RoseNF
no factor from 2^69 to 2^70
2014-09-01VictordeHollanderNF
no factor from 2^68 to 2^69
2009-11-13CJPageC-LL
429E9C2FEA1C1186
2009-08-07CJPageNF-PM1
B1=795000