n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 227: | \[227!!!!-1\] | 2 × 39727 × 39688709310443<14> × 79143380989024011045550192283181391065946776268441083391010438123890418814810827177290362917<92> |