Let $\displaystyle p$ be odd. Then $\displaystyle 2(p-3)!\equiv -1 \ \mbox{(mod p)}$

Don't know how to do this one.

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- Jul 12th 2010, 02:09 PMdwsmithLet p be odd. Then 2(p-3)!\equiv -1 (mod p)
Let $\displaystyle p$ be odd. Then $\displaystyle 2(p-3)!\equiv -1 \ \mbox{(mod p)}$

Don't know how to do this one. - Jul 12th 2010, 02:18 PMchiph588@
- Jul 12th 2010, 02:26 PMdwsmith
- Jul 12th 2010, 02:29 PMchiph588@
- Jul 12th 2010, 02:51 PMdwsmith
- Jul 12th 2010, 03:42 PMchiph588@