factor
Returns an array containing the prime factors of a given integer.
f = factor( 1); // [ ]
f = factor( 5); // [ 5 ]
f = factor( 12); // [ 2, 2, 3 ]
f = factor( 222); // [ 2, 3, 37 ]
f = factor( 256); // [ 2, 2, 2, 2, 2, 2, 2, 2 ]
f = factor(2222); // [ 2, 11, 101 ]- factor(num)
- Returns an array containing the prime factors of a given integer.
COPY/// @func factor(num)
///
/// @desc Returns an array containing the prime factors of a given integer.
///
/// @param {real} number positive integer
///
/// @return {array} array of factors
///
/// GMLscripts.com/license
function factor(num)
{
var factors = array_create(0);
if (num >= 2) {
var check = 2;
while (sqr(check) <= num) {
if (num mod check == 0) {
array_push(factors, check);
num = num div check;
} else {
check += 1;
}
}
if (num != 1) {
array_push(factors, num);
}
}
return factors;
}
Contributors: xot
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