Factorials

     There are many factorials that can be expressed as the product of two or more other factorials. To give you an example:

7! X 6!  = 10!

How many others can you find?

Answer:   7! 6! = 10! ;   5! 3!  = 6! ; 3! 5! 7! = 10!  , 2! 47! 4! = 48!  ; 2! 287! 4! 3!  = 288!

There are many others.