n5-L3-f7-r7-t1-ver2.6GCD.txt p=21871 t0=1 g=6 Criterion for 1<=t<=f is applied. T^2+T+1 11732 T^2+11396 T+11241 result=O: deg GCD == 0. code version 2.6GCD start=Wed 12 Apr 2023 12:43:11 end =Wed 12 Apr 2023 12:43:11 elapsed(sec)=0.076830