n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 450: | \[450!!!!!+1\] | 103 × 1063109 × 471233934317<12> × 1166929117946542683869<22> × [19931506557409530421544509952571206755794668824941006390140461351841712931712845015566339164116093092212262918402910685387225817817844230033100975127303145562531<161>] |