WinPFGW 3.4.0:
2^288747+3083 is 3-PRP! (163.6908s+0.0018s)
2^244404+3841 is 3-PRP! (88.2457s+0.0017s)
2^152438+2539 is 3-PRP! (35.1924s+0.0015s)
2^97242+3829 is 3-PRP! (14.8021s+0.0001s)
2^65140+3625 is 3-PRP! (5.9100s+0.0001s)

To be completed...