Prime Factorization
Description
Factor a positive integer into prime factors, preserving multiplicity.
Input
The function receives an integer $n$ and a writable output array.
Output
Write the prime factors of $n$ to the output array in nondecreasing order.
Constraints
- $1 \le n \le \texttt{INT_MAX}$.
Source
Classical integer-factorization problem reconstructed from the verified C artifact.