n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 326: | \[326!!!!!-1\] | 52 × 9967 × 146886951652854744174419559503544337<36> × 4043566831610550852862035801286701965435162669<46> × 379828279936031920295257186981155464387173075509709<51> |