(PHP 7 >= 7.3.0)
gmp_lcm — Calculate GCD
$a
$b
This function computes the least common multiple (lcm) of a and b.
a
b
������һ�� GMP ���� resouce����һ������ת��Ϊ��ֵ���ַ�����
GMP ��ֵ��Դ.