gmp_gcd
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_gcd — Calculate GCD
Description
Calculate greatest common divisor of num1 and
num2. The result is always positive even if
either of, or both, input operands are negative.
Parameters
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:
3
See Also
- gmp_lcm() - Calculate LCM
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