Ex 1, p. 71, Ch. 4
| NUMBER |
ODD |
EVEN |
PRIME |
" . $num . " |
Yes |
|
|
";
}
else if ($num == 3){
echo
"
| " . $num . " |
Yes |
|
Yes |
";
}
else {
//Checking if it's a composite number
for ($j=3; $j<=ceil(sqrt($num)); $j = $j+2){
if ($num % $j == 0){
echo
"
| " . $num . " |
Yes |
|
|
";
}
else {
echo
"
| " . $num . " |
Yes |
|
Yes |
";
}
}
}
}
//Even numbers
else {
if ($num == 2){
echo "
| " . $num . " |
|
Yes |
Yes |
";
}
else if ($num % 2==0){
echo "
| " . $num . " |
|
Yes |
|
";
}
else {
echo
"
| " . $num . " |
|
Yes |
Prime |
";
}
}
}
?>