Message boards : Science : base R722 (8k)
- n=200-300k, 8k left (41, 56, 73, 86, 97, 158, 194, 206) - runtime 30min-1h26min (AVX@3.8Ghz) 221*722^136558-1 found by Olifer 220*722^149255-1 found by Gibson Praise 220*722^166199-1 found by vaughan