J JellyFish Junior Member Joined Jan 12, 2009 Messages 51 Dec 3, 2009 #1 We touched on Wilson's Theorem [(p-1)! = -1 (mod p)] in class but didn't do any examples so I am struggling to find 18!(mod 23). Thank you for the help.
We touched on Wilson's Theorem [(p-1)! = -1 (mod p)] in class but didn't do any examples so I am struggling to find 18!(mod 23). Thank you for the help.
D daon Senior Member Joined Jan 27, 2006 Messages 1,284 Dec 3, 2009 #2 \(\displaystyle 18!(19)(20)(21)(22) = (22)! \equiv -1_{\% 23}\)
