Wednesday, 21 August 2013

What is mod(a,b)?

What is mod(a,b)?

I was reading the AKS Primality Test. AKS. I could not understand the line :
$(x - a)^{n} = (x^{n} - a) \pmod{(n,x^{r}-1)}$
What is $\mod{(a,b)}$ in it ?

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