Números primos PHP
<?php
$number = 10;
$count=0;
for ( $i=1; $i <= $number; $i++)
{
if (($number % $i)==0)
{
$count++;
}
}
if ($count < 3)
{
echo "$number is a prime number.";
}
else
{
echo "$number is not a prime number.";
}
?>
Alessandro Ballabio