Message boards : Science : base S590 (10k)
- n=100-300k, 10k left (19, 26, 40, 64, 104, 118, 148, 157, 178, 179) - runtime 9min12s-1h16min (AVX@3.8Ghz) 194*590^131743+1 found by Doug 145*590^201814+1 found by BarnardsStern (TOP5000)