Message boards : Science : base R55 (5k)
- n=500-600k, 5k left (2330, 3158, 3578, 4878, 6098) - runtime 1h23min-2h10min (AVX@3.8Ghz) 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)