263.丑数.java

/*
 * @lc app=leetcode.cn id=263 lang=java
 *
 * [263] 丑数
 */

// @lc code=start
class Solution {
    public boolean isUgly(int num) {
        if(num < 1){
            return false;
        }
        while(num%5==0){
            num/=5;
        }
        while(num%3==0){
            num/=3;
        }
        while(num%2==0){
            num/=2;
        }
        if(num == 1){

            return true;
        }
        return false;
    }
}
// @lc code=end