PRP Records

21^28713-20



Found with PFGW Version 3.6.0

21^28713-20 is 2-PRP! (17.7897s+0.0043s)
21^28713-20 is 3-PRP! (17.8556s+0.0042s)
21^28713-20 is 5-PRP! (17.8418s+0.0032s)
21^28713-20 is 7-PRP! (17.8486s+0.0029s)
21^28713-20 is 11-PRP! (17.7772s+0.0029s)

Primality testing 21^28713-20 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 31
Running N+1 test using discriminant 41, base 10+sqrt(41)
Calling N-1 BLS with factored part 0.16% and helper 0.03% (0.51% proof)
21^28713-20 is Fermat and Lucas PRP! (136.2397s+0.0035s)

To be completed...




Go back