Mathematics puzzle 2
Posted: Sat Mar 08, 2008 12:54 amLet p be an arbitrary prime number larger than 4.
Show that (p^2 - 1) is a multiple of 24.
Show that (p^2 - 1) is a multiple of 24.
Well, here is a slightly tougher one.
Let p be an arbitrary prime number larger than 6.
Let q be given by q = p^4 - 10*(p^2) + 9.
Show that q is a multiple of 1920.