Factorial/Examples/15

Example of Factorial

 * $15! = 1 \, 307 \, 674 \, 368 \, 000$

Proof
From $14$ Factorial:
 * $14! = 87 \, 178 \, 291 \, 200$

Then: 87 178 291 200 x             15 -- 435 891 456 000  871 782 912 000 - 1 307 674 368 000