You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
In this task, you need to output 'Yes' if the given number is a prime number otherwise output 'No'. A 'prime number' is a a whole number above 1 that can not be made by multiplying other whole numbers.

7
Solution: Yes
Why? 7 is a prime number as it has no factors greater than 1. So, it can't be made by multiplying other whole numbers and the answer is 'Yes'.

New input: 81049
Solution:
Yes