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Revision difference : Wilson's theorem
Version current
Version 7
Wilson's theorem states that
Wilson's theorem states that
$$ (p-1)! \equiv -1 \pmod{p} $$
$$ (p-1)! \equiv -1 \pmod{p} $$
iff $p$ is prime (note that it must be positive).
iff $p$ is prime (note that it must be positive).
