Once you’ve defined the variables a and p you can just do
gap> a^p mod p = a mod p;
and
gap> a^(p-1) mod p = 1;
Or you can write a function
ModuloExpressions := function(x, y, modulo)
return x mod modulo = y mod modulo;
end;
where x and y are integers, and modulo is the mod you
want to use, and then call it using
gap> ModuloExpressions(a^p, p, p );
gap> ModuloExpressions(a^(p-1),p,1);
Sandeep Murthy
s.mur...@mykolab.com
> On 16 Apr 2015, at 17:22, Wanderley Tiowann <sgwvie...@gmail.com> wrote:
>
> How can I do this on GAP? a^p = a (mod p) or a^(p-1) = 1 (mod p)?
>
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