First PRP larger than Fermat 20 (2^2^20+1)
Trial factored to 1 trillion
Prime95 v30.19 tested 3-PRP

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

Primality testing 2^1048576+69661 [N-1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
2^1048576+69661 is PRP! (611.6954s+0.0103s)

Done.

Date Discovered: 2024.8.3 in Mainland China

To be completed...