Message boards : Science : base S806 (1k)
- n=400-600k, 1k left (140) - runtime 2h55min-7h19min (AVX @3.8Ghz) 163*806^155542+1 found by damotbe (TOP5000) 122*806^173475+1 found by [AF>Amis des Lapins] Nabz37 (TOP5000)