<?PHP
$exec_start = array_sum(explode(' ', microtime())); 
?>
<html>
<head><title>Prim getallen</title></head>
<body style='font-size: 12px; font-family: Verdana;'>
<h1>Priem getallen zoeker</h1>
<?PHP

// prim getallen zoeken tussen
$begin = 1;		// eerste getal		
$eind = 100; 	// 2de getal
// hij zoekt nu tussen 1 en 100 
echo '<fieldset><legend>Prim getallen - '.$begin.' -> '.$eind.'</legend><table width=100%>';
for($i = $begin;$i<$eind;$i++) {
	for($j= 1;$j<9;$j++) {
		$deel = $i/$j;
		if(is_int($deel)) {
		$arr[$i][$j] = $deel;
		} 
	}
}
$aantal1 = 0;
foreach($arr as $key => $val) {
		if(count($arr[$key]) == 1 || (count($arr[$key]) == 2 && $aantalik < 5)) {			
		$aantalik++;
		echo '<tr><td>'.$key.'</td></tr>';
		}
}
echo '<tr><td><b>Totaal:</b> '.$aantalik.'</td></tr>';
echo '<tr><td align="right"><span style="font-size: 10px;">Created in: '.round(array_sum(explode(' ', microtime())) - $exec_start, 4).' seconds</span></td></tr></table>';
echo '</fieldset>';
?>
</body>
</html>