n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 74: | \[74!-1\] | 63533 × 4224758601013<13> × 935089819076008155381317399<27> × 572501857609087746044781729557<30> × 2302072358046098314706487931658917<34> |