Wilson's theorem facts for kids
Wilson's theorem is a theorem of number theory. Let n be any natural number. Wilson's theorem says that n is a prime number if and only if:
This means that if n is a prime number, the equation is correct. Also, if the equation is correct, then n is a prime number. The equation says that the factorial of (n - 1) is one less than a multiple of n.
See also
In Spanish: Teorema de Wilson para niños
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Wilson's theorem Facts for Kids. Kiddle Encyclopedia.