n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 491: | \[491!!!!!+1\] | 7129 × 2745858619989679<16> × 161319942802579240277641<24> × [2569728701395540310165963286320701273083497908646691433442123045155869769132625093593857500441351295567831156632517353838967109783079283900363034241241788545551498687210166638241647<181>] |