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John Blythe Dobson

I am a self-taught, amateur mathematician who is mainly interested in elementary Number Theory.

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  • Member for 8 years, 6 months
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  • Last seen Aug 29 '19 at 22:47

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6 The value $\pm 1$ for the square root of Wilson's theorem, ((p-1)/2)! mod p Aug 5 '17
5 Primes P such that ((P-1)/2)!=1 mod P Aug 7 '17
3 For a given even integer $k >14$ is there always a prime $p$ such that $k \leq p-3$ and $p|B_k$? Aug 1 '17
1 Congruences between Fermat quotients May 19 '12
1 Squarefree Parts of Mersenne Numbers Aug 6 '17
0 Simple-looking sequences $A$ and $B$ defined by a complementary equation Jul 18 '19

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