n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 297: | \[297!!!!!-1\] | 52 × 6263 × 13093 × 411045499469506108648041758190914115841789<42> × 330347505442882689533399422911646658560575028945649268073334582344281361<72> |