n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 235: | \[235!!!!-1\] | 2 × 5171 × 43597 × 3986689358739687325765990226366886962740928413<46> × 7537089064511823009090870028321521189406536008271380981458577<61> |