gmp_gcd

Calculate GCD

Description

GMP gmp_gcd(GMPintstring $num1, GMPintstring $num2)

Calculate greatest common divisor of num1 and num2. The result is always positive even if either of, or both, input operands are negative.

Parameters

num1: A GMP object, an int or a numeric string.
num2: A GMP object, an int or a numeric string.

Return Values

A positive GMP number that divides into both num1 and num2.

Examples

Example #1 gmp_gcd example

<?php
$gcd = gmp_gcd("12", "21");
echo gmp_strval($gcd) . "\n";
?>

The above example will output:

See Also

gmp_lcm