n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 75: | \[75!-1\] | 151 × 601 × 863 × 209874199 × 89292099039066404446583<23> × 3968111331194553575695891<25> × 4259842839142238791410741595983041626644087509<46> |