|This article does not cite any references or sources. (December 2009)|
|Cardinal||sixty-four thousand and seventy-nine|
(sixty-four thousand and seventy-ninth)
|Factorization||139 · 461|
|Divisors||1, 139, 461, 64079|
64079 is the twenty-third Lucas number and is thus often written as L23. It is significant for being the first Lucas number Ln where n is prime that is itself not prime. In a closely related property, 64079 is the smallest extra strong Lucas pseudoprime to base 2.
Its smaller prime factor, 139, can be written in the form 6n+1, where n is the index of the Lucas number. The larger factor, 461, can similarly be written in the form 20n+1.