<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def getPrimeFactors(n):
 """ Get all the prime factor of given integer @param n integer """

    lo = [1]
    n2 = n // 2
    k = 2
    for k in range(2, n2 + 1):
        if (n // k)*k == n:
            lo.append(k)
    return lo + [n, ]