Study the given pattern carefully and select the number that can replace the question mark(?) in it.
(16, 4, 4)
(30, 5, 15)
(8, 2, ?)

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13- Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 12 into 1 and 3 and performing mathematical operations on 1 and 3 is not allowed)