Message boards : Science : base R1017 (6k)
- n=100-250k, 6k left (100, 354, 396, 522, 750, 828) - runtime 10-62min (AVX @3.8Ghz) 542*1017^137766-1 found by Alez (TOP5000) 508*1017^199220-1 found by Deltik (TOP5000) 842*1017^230634-1 found by Cruncher Pete (TOP5000)