n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 145: | \[145!!-1\] | 25 × 21290593 × [4084986942854609800073783133874378896388722793729187530590362314065421895508885688439149047310178143050715575420310849<118>] |