Message boards : Science : base R55 (5k)
- n=600-700k, 5k left (2330, 3158, 3578, 4878, 6098) - runtime 1h28min-2h04min (AVX@3.9Ghz) 3240*55^150226-1 found by [AT-Sollenau] Thomas Turk 4640*55^201708-1 found by zlodeck 5354*55^244064-1 found by Grey 3942*55^423771-1 found by Doug (TOP5000)