Question: 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,

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.

Write a method isUgly that takes a integer variable as parameter, and return a boolean variable, true if it is ugly, and false if it is not.

Note that 1 is typically treated as an ugly number.

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