Ugly Number Python Solution with Tests

lcpy gen -n 263   # by problem number
lcpy gen -s ugly_number   # by problem name

Input: n = 6
Output: true
Explanation: 6 = 2 × 3

Input: n = 1
Output: true
Explanation: 1 has no prime factors.

Input: n = 14
Output: false
Explanation: 14 is not ugly since it includes the prime factor 7.

class Solution:
    # Time: O(log n)
    # Space: O(1)
    def is_ugly(self, n: int) -> bool:
        if n <= 0:
            return False
        for p in (2, 3, 5):
            while n % p == 0:
                n //= p
        return n == 1