n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
123: | \[123!-1\] | 149 × 12601 × 1048668380909<13> × 565310453158799<15> × 150152322348158556906709<24> × 546438722226889371614324889973<30> × 649887067848818772887462916835461246603936294119701<51> × 204652132459526421729852774965735210330941034363237354165871937191373<69> |