n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 239: | \[239!!!!+1\] | 2 × 48563131 × 248556949478869<15> × 3709927576364986737651943996891230251<37> × 36153226961917367210200201508923182908167878284272520421217<59> |