# Ugly number
# If positive number n has prime factors limited to 2, 3 and 5,
# it's a ugly prime
# -2^31 <= n <= 2^31 - 1


class Solution:
    def isUgly(self, n: int) -> bool:
        if n <= 0:
            return False

        for p in [2, 3, 5]:
            while n % p == 0:
                n = n // p

        return n == 1