Thank you very much. I found a direct command too PrimeResidues(n). On Sat, Feb 11, 2017 at 10:31 PM, Bill Allombert < bill.allomb...@math.u-bordeaux.fr> wrote:
> On Sat, Feb 11, 2017 at 10:11:55PM +0530, Surinder Kaur wrote: > > Hi all > > > > We know that the Euler-totient function in GAP is Phi(n) . But how one > can > > list all the integers co-prime to a given integer n. > > Just use Filtered: > > gap> n:=100;Filtered([1..n-1],x->Gcd(x,n)=1); > 100 > [ 1, 3, 7, 9, 11, 13, 17, 19, 21, 23, 27, 29, 31, 33, 37, 39, 41, 43, > 47, 49, 51, 53, 57, 59, 61, 63, 67, 69, 71, 73, 77, 79, 81, 83, 87, 89, > 91, 93, 97, 99 ] > > Cheers, > Bill. > > _______________________________________________ > Forum mailing list > Forum@mail.gap-system.org > http://mail.gap-system.org/mailman/listinfo/forum > -- *Regards* *Surinder Kaur* *Research scholar * *Department of Mathematics * *IIT Ropar* _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
