Message boards : Science : base R487 (11k)
- n=50-100k, 11k left (758, 900, 914, 1110, 1128, 1646, 1688, 1728, 1908, 1968, 2234) - runtime 2-10min (AVX@4Ghz) 72*487^87924-1 found by Lemon 1046*487^98506-1 found by [SG-FC]shka