<!DOCTYPE html>
<html>
<body>
<?php
$num = 186;
$flag = 0;
for($i=2; $i<$num; $i++)
{
// check for divisibility
if($num % $i == 0)
{
$count = 0;
// check for prime number
for($j=1; $j<=$i; $j++)
{
if($i % $j == 0)
$count++;
}
if($count == 2)
{
if($flag == 0)
{
echo "Prime factor of $num: <br>";
$flag = 1;
}
echo "$i ";
}
}
}
if($flag == 0)
echo "There is no Prime factor for $num";
?>
</body>
</html>