# Factorial/Examples/10

## Example of Factorial

$10! = 3 \, 628 \, 000$

## Proof

$9! = 362 \, 880$

Then:

 $\ds 10!$ $=$ $\ds 10 \times 9!$ Definition of Factorial $\ds$ $=$ $\ds 3 \, 628 \, 000$

$\blacksquare$