n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 234: | \[234!!!-1\] | 197 × 983 × 15791 × 15797715139735365069166842925727<32> × 6508565179359958502103749726247999329<37> × 591506604239710554190092604391082383695510333715401803435240073452944166133<75> |