a(34) in the sequence https://oeis.org/A379020
Trial factored to 3037000000 (about 2^31.5)
Pm1 factoring done with B1 = 170000, B2 = 4855620
Prime95 v30.19b20 tested 3-PRP
PGFW Result:
PFGW Version 4.1.3.64BIT.20240114.Win_Dev [GWNUM 30.19]
Primality testing 2^2421175-25 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 5
Running N-1 test using base 19
Running N-1 test using base 23
Running N-1 test using base 29
Running N-1 test using base 31
2^2421175-25 is PRP! (13430.8036s+0.0010s)
Date discovered: February 14th, 2025
To be completed...