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package String;

/*

* Write a program to check whether a given number is an ugly number.

* Ugly numbers are positive numbers whose prime factors only include 2, 3, 5.

* For example, 6, 8 are ugly while 14 is not ugly since it includes another prime factor 7.

* Note that 1 is typically treated as an ugly number.

*/

public class UglyNumber {

public boolean isUgly(int num) {

if (num <= 0)

return false;

while (num % 2 == 0)

num = num / 2;

while (num % 3 == 0)

num = num / 3;

while (num % 5 == 0)

num = num / 5;

if(num == 1)

return true;

return false;

}

public static void main(String[] args) {

// TODO Auto-generated method stub

UglyNumber test = new UglyNumber();

System.out.println(test.isUgly(1));

}

}