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How to find the divisors of a number in PHP

2 Answers

0 votes
function printDivisors($n) {
    for ($i = 1; $i <= $n; $i++) {
        if ($n % $i == 0) {
            echo $i . ", ";
        }
    } 
}
 
$n = 24;
printDivisors($n);



/*
run:

1, 2, 3, 4, 6, 8, 12, 24, 

*/

 




answered 2 days ago by avibootz
0 votes
function printDivisors($n) {
    for ($i = 1; $i <= sqrt($n); $i++) {
        if ($n % $i == 0) { 
            if ($n / $i == $i) 
                printf("%d, ",  $i); 
            else
                printf("%d, %d, ", $i, $n / $i); 
        } 
    } 
}


$n = 24;
printDivisors($n);



/*
run:

1, 24, 2, 12, 3, 8, 4, 6, 

*/

 




answered 2 days ago by avibootz
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