Starting probable prime test of 2^413781-2023
Using FMA3 FFT length 40K, Pass1=640, Pass2=64, clm=2, a = 3, L2 = 169*153
2^413781-2023 is base 3-Fermat PRP! (124561 decimal digits) Time : 36.888 sec.
Starting Lucas sequence
Using FMA3 FFT length 40K, Pass1=640, Pass2=64, clm=2, P = 7, Q = 5
2^413781-2023 is Fermat and Lucas PRP, Starting Frobenius test sequence
Using FMA3 FFT length 40K, Pass1=640, Pass2=64, clm=2, Q = 5
2^413781-2023 is Fermat, Lucas and Frobenius PRP! (P = 7, Q = 5, D = 29) Time : 189.987 sec.

To be completed...