2025-07-26 15:48:20 +0000 UTC

class Solution(object):
    def isUgly(self, n):
        if n <= 0:
            return False
        
        while n % 2 == 0:
            n //= 2
        while n % 3 == 0:
            n //= 3
        while n % 5 == 0:
            n //= 5
        
        return n == 1