WinPFGW 2.3.0:
2^39630-2433 is 3-PRP! (2.0161s+0.0004s)
2^40203-3621 is 3-PRP! (2.0478s+0.0001s)
2^56859-3621 is 3-PRP! (4.4543s+0.0001s)
2^66504-2433 is 3-PRP! (5.8465s+0.0004s)
2^86860-3275 is 3-PRP! (9.5836s+0.0004s)
2^121102-3275 is 3-PRP! (22.2053s+0.0004s)
2^126040-3275 is 3-PRP! (22.9895s+0.0004s)
2^344794-3821 is 3-PRP! (204.9963s+0.0005s)

To be completed...