CODING PHP PERULANGAN BILANGAN GENAP,GANJIL,PRIMA

DESIGN

 <?php
if (isset($_POST['B1']))
{
$fak=0;
$a=$_POST['txtA'];
$b=$_POST['txtB'];
echo "<table border='1'>";
echo "<tr><td>Ganjil</td></tr>";
for ($i=$a;$i<=$b;$i++)
if ($i% 2==1) echo "<tr><td>".$i."</td></tr>";
echo "</table>";




//Prima
echo "<br>Prima:";
for ($i=$a;$i<=$b;$i++)
{
for ($j=1;$j<=$i;$j++)
if ($i%$j==0)$fak++;

if ($fak==2) print $i.',';
$fak=0;
}
echo "<br>Genap:";
for ($i=$a;$i<=$b;$i++)
if ($i% 2==0) echo $i.',';
}//untuk tombol reset
if(isset($_POST['B2']))
{$_POST['txtA']='';$_POST['txtB']=',';}


?>
SELAMAT MENJALANKAN SOB :)