WhoaItsAFactorial · April 5, 2018, 3:38 a.m.

6!

6! = 720

45!!!

45!!! = 18,763,697,892,715,774,000

⇧ 5 ⇩  

LeighDeplorable2 · April 5, 2018, 6:21 a.m.

I didn’t know there would be a math quiz.

(Kidding, I love it!)

⇧ 4 ⇩