5 line Java Solution, 2ms


  • 8
    C
    public boolean isUgly(int num) {
        if(num <= 0) return false;
        while(num % 2 == 0) num /= 2;
        while(num % 3 == 0) num /= 3;
        while(num % 5 == 0) num /= 5;
        return num == 1;
    }

  • -3
    L
    This post is deleted!

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