express 1^2 * 3^2 * 5^2 * .... * (p-2)^2 (mod p) as a power of -1 . suppose p is an odd prime.
Follow Math Help Forum on Facebook and Google+
Note that: ; ;... ; Thus: But by Wilson's Theorem Thus:
Last edited by PaulRS; June 1st 2008 at 07:17 PM.
View Tag Cloud