n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 246: | \[246!!!!!-1\] | 53 × 547 × 7193 × 52239970689044201327226048726595287812455180036274785273002757096858506118786238073940289<89> |