programming-examples/js/Functions/Write a JavaScript function to compute the factors of a positive integer..js

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2019-11-15 12:59:38 +01:00
function factors(n)
{
var num_factors = [], i;
for (i = 1; i <= Math.floor(Math.sqrt(n)); i += 1)
if (n % i === 0)
{
num_factors.push(i);
if (n / i !== i)
num_factors.push(n / i);
}
num_factors.sort(function(x, y)
{
return x - y;}); // numeric sort
return num_factors;
}
console.log(factors(15)); // [1,3,5,15]
console.log(factors(16)); // [1,2,4,8,16]
console.log(factors(17)); // [1,17]