PRP Records

408^6917-6917^408



Found with PFGW Version 3.7.5

408^6917-6917^408 is 2-PRP! (11.0499s+0.0020s)
408^6917-6917^408 is 3-PRP! (10.6132s+0.0024s)
408^6917-6917^408 is 5-PRP! (11.1151s+0.0024s)
408^6917-6917^408 is 7-PRP! (10.8397s+0.0022s)
408^6917-6917^408 is 11-PRP! (10.5241s+0.0022s)

Primality testing 408^6917-6917^408 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 2+sqrt(11)
Calling N+1 BLS with factored part 0.04% and helper 0.02% (0.14% proof)
408^6917-6917^408 is Fermat and Lucas PRP! (54.6172s+0.0046s)

To be completed...




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