0263._ugly_number.md

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Links

1. https://leetcode.com/problems/ugly-number
2. https://leetcode-cn.com/problems/ugly-number/

Solution 1

class Solution:
    def isUgly(self, num):
        """
        :type num: int
        :rtype: bool
        """
        if num <= 0:
            return False

        for e in (2, 3, 5):
            while num % e == 0:
                num /= e
        
        return num == 1