Primzahlen von " . htmlspecialchars($_POST["input"], ENT_QUOTES, 'UTF-8') . " sind:";
foreach($primeNumbers as $number) {
echo "" . $number . "
";
}
}
function isPrime($i) {
if ($i <= 1) return false;
if ($i <= 3) return true;
if ($i % 2 == 0) return false;
for ($j = 3; $j * $j <= $i; $j += 2) {
if ($i % $j == 0) {
return false;
}
}
return true;
}
?>
Logarithmische Funktion (n = 1..100)
0 ? str_repeat('*', $starsCount) : '-';
echo sprintf("%3d: ln=%6s %s
", $n, $lnFormatted, $stars);
}
?>