NULL
<p>Calculo de numeros primos.</p>
<form action='index.php'>
<table>
<tr><td>Inicio:&nbsp;</td><td><input name='inicio' id='inicio' type='text' value='0'></input></td></tr>
<tr><td>Limite:&nbsp;</td><td><input name='limite' id='limite' type='text' value='1000'></input></td></tr>
</table>
<input type='submit' value='Calcular!'></input>
</form>