PRP established using PFGW:
2^39924-2519 is 3-PRP! (4.9086s+0.0012s)
2^39546-2201 is 3-PRP! (4.8843s+0.0012s)
2^37662-2741 is 3-PRP! (4.6071s+0.0012s)
2^37555-2017 is 3-PRP! (4.2934s+0.0012s)
2^36732-2819 is 3-PRP! (4.1392s+0.0012s)
2^36635-2767 is 3-PRP! (4.1296s+0.0012s)
2^36268-3389 is 3-PRP! (4.0593s+0.0020s)
2^33926-53741 is 3-PRP! (3.8703s+0.0001s)

To be completed...