WinPFGW 3.6.5:
2^53507-2017 is 3-PRP! (4.2565s+0.0002s)
2^41065-2019 is 3-PRP! (2.0984s+0.0019s)
2^37701-2023 is 3-PRP! (2.0463s+0.0001s)
2^70949-2023 is 3-PRP! (6.3403s+0.0001s)
2^43493-2025 is 3-PRP! (2.3381s+0.0001s)
2^62615-2025 is 3-PRP! (5.5837s+0.0002s)
2^38784-2027 is 3-PRP! (1.9851s+0.0001s)
2^48984-2027 is 3-PRP! (2.6484s+0.0001s)
2^72184-2027 is 3-PRP! (6.6253s+0.0001s)
2^45673-2029 is 3-PRP! (2.4580s+0.0001s)
2^69397-2029 is 3-PRP! (6.1239s+0.0002s)
2^87935-2029 is 3-PRP! (14.8358s+0.0001s)

To be completed...