How do I return the value after checking for a condition?

The following code has to check for an 'e' value such that the gcd(h,e)=1. Where 1

module great(p,q,e,d);
input p,q;
output e,d;
reg e,d;
h=((p-1)*(q-1));
always 
begin
for(e=2;e<h;e=e+1)
begin
g1=gcd(h,e);
if(g1==1)
return e;