WinPFGW 3.7.10:
2^171907-3511 is 3-PRP! (14.7941s+0.0001s)
2^118136-3515 is 3-PRP! (7.6557s+0.0001s)
2^148688-3515 is 3-PRP! (12.4939s+0.0001s)
2^101161-3613 is 3-PRP! (5.3366s+0.0001s)
2^110145-3643 is 3-PRP! (5.8156s+0.0001s)
2^144924-3659 is 3-PRP! (12.3793s+0.0001s)

To be completed...