## Number theory notes

Back to work on this paper, I’m looking through an intro to number theory to find any helpful ideas.

**Random notes**

One notational convention I didn’t know was that if is an integer, then we write “b divides a” as . If this is not the case and “b does not divide a” then we write . In the paper I’m working on I use the coprime notation of .

**Fermat’s little theorem **– if is prime then

**Wilson’s theorem **– if is prime then

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