Easy_19_263_Ugly Number.java

public class Solution {
    public boolean isUgly(int num) {
        if(num==0)
    		return false;

    	while(num!=1)  	{
    		if(num%2==0)
    			num/=2;
    		else if(num%3==0)
    			num/=3;
    		else if(num%5==0)
    			num/=5;
    		else
    			return false;
    	}

    	return true;
    }
}