[#arith_uint256-GetLow64]
= xref:arith_uint256.adoc[arith_uint256]::GetLow64
:relfileprefix: ../
:mrdocs:

Returns the low 64 bits of the value.

== Synopsis

Declared in `<arith_uint256.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t
GetLow64() const;
----

== Return Value

The least‐significant 64 bits as an unsigned integer.


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