정보실

<?php

function lcm(...$numbers)
{
    $ans = $numbers[0];
    for ($i = 1; $i < count($numbers); $i++) {
        $ans = ((($numbers[$i] * $ans)) / (gcd($numbers[$i], $ans)));
    }

    return $ans;
}

lcm(12, 7); // 84
lcm(1, 3, 4, 5); // 60