a(23) in the sequence https://oeis.org/A379020

Trial factored to 4*10^9
No Pm1 Factoring
Prime95 v30.19b20 tested 3-PRP
PGFW Result:

PFGW Version 4.1.3.64BIT.20240114.Win_Dev [GWNUM 30.19]


***WARNING! file test.txt may have already been fully processed.

Primality testing 10^400310+9 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
10^400310+9 is PRP! (1176.2417s+0.0025s)

Date Discovered: June 15, 2025

To be completed...