54. Mr. Barkley has a box of books. He says the number of books in the

box is divisible by 2, 3 4 5, and 6. How many books could be in the
box? Add another condition to the number of books so that there is
only one possible solution.

Looking for answers :)

Multiples of 6:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78
Which of those numbers is also divisible by 2, 3, 4, and 5?

need 2 , 2 , 3 , 5

product of those is = 60
or any multiple of 60
what is the "minimum" number means 60 only