GCD

Description

Calculates the greatest common divisor (GCD) of two integers.

Syntax

GCD(<a>, <b>)

Parameters

Parameter	Description
<a>	The first integer
<b>	The second integer

Return Value

Returns the greatest common divisor of <a> and <b>. If any input is NULL, returns NULL.

Examples

select gcd(54, 24);

+------------+
| gcd(54,24) |
+------------+
|          6 |
+------------+

select gcd(-17, 31);

+-------------+
| gcd(17,31)  |
+-------------+
|           1 |
+-------------+

select gcd(0, 10);

+-----------+
| gcd(0,10) |
+-----------+
|        10 |
+-----------+

select gcd(54, NULL);

+---------------+
| gcd(54, NULL) |
+---------------+
|          NULL |
+---------------+