<?php
function findBestFactors($Value, $GroupSize = INF)
{
foreach(range(min($GroupSize, ceil(sqrt($Value))), 1) as $Factor)
{
if (0 == ($Value % $Factor))
{
return array($Factor, $Value / $Factor);
}
}
}
list($Groups, $Size) = findBestFactors($argv[1], isset($argv[2]) ?
$argv[2] : INF);
echo "$Groups groups of $Size";
?>
Supply a value and an optional maximum group size.
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