WinPFGW 3.6.5:
2^35451-2161 is 3-PRP! (1.3975s+0.0005s)
2^88319-2161 is 3-PRP! (9.8253s+0.0006s)
2^44243-2169 is 3-PRP! (2.3602s+0.0005s)
2^51577-2169 is 3-PRP! (4.0567s+0.0006s)
2^59823-2169 is 3-PRP! (4.7051s+0.0006s)
2^89736-2169 is 3-PRP! (9.9242s+0.0005s)

To be completed...