WinPFGW 3.6.5:
2^53503-2041 is 3-PRP! (4.2095s+0.0001s)
2^53763-2041 is 3-PRP! (4.2254s+0.0001s)
2^39276-2043 is 3-PRP! (1.9998s+0.0001s)
2^40602-2043 is 3-PRP! (2.0625s+0.0018s)
2^49785-2043 is 3-PRP! (3.9214s+0.0018s)
2^61070-2043 is 3-PRP! (5.3914s+0.0001s)
2^68966-2043 is 3-PRP! (6.0828s+0.0001s)
2^70912-2043 is 3-PRP! (6.2561s+0.0001s)
2^91396-2043 is 3-PRP! (10.0941s+0.0001s)
2^95820-2043 is 3-PRP! (10.6108s+0.0001s)
2^96100-2043 is 3-PRP! (10.6207s+0.0002s)
2^67204-2045 is 3-PRP! (5.9283s+0.0001s)
2^88547-2047 is 3-PRP! (10.0538s+0.0002s)
2^92471-2047 is 3-PRP! (10.9178s+0.0001s)
2^39484-2049 is 3-PRP! (4.6862s+0.0001s)
2^45804-2049 is 3-PRP! (2.5668s+0.0001s)

To be completed...