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John Blythe Dobson's user avatar
John Blythe Dobson's user avatar
John Blythe Dobson's user avatar
John Blythe Dobson
  • Member for 11 years, 11 months
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I am a self-taught, amateur mathematician who is mainly interested in elementary Number Theory.

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6
The value $\pm 1$ for the square root of Wilson's theorem, ((p-1)/2)! mod p
5
Primes P such that ((P-1)/2)!=1 mod P