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题目：
题解：
class Solution {public boolean isUgly(int n) {if (n <= 0) {return false;}int[] factors = {2, 3, 5};for (int factor : factors) {while (n % factor == 0) {n /= factor;}}return n == 1;}
}
题目：
题解：
class Solution {public boolean isUgly(int n) {if (n <= 0) {return false;}int[] factors = {2, 3, 5};for (int factor : factors) {while (n % factor == 0) {n /= factor;}}return n == 1;}
}