720 is Product of Consecutive Numbers in Two Ways/Mistake

Source Work

 * The Dictionary
 * $720$
 * $720$

Mistake

 * $10! = 7! \times 6!$, the only known example of a factorial being the product of two other factorials.

Correction
As is pointed out in Factorial as Product of Two Factorials, for all $n \in \Z_{>0}$:
 * $\paren {n!}! = n! \paren {n! - 1}!$

So the above statement should be amended, for example as is done in the section on the number $10$, to say something like:
 * Apart from the general rule ...