n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 235: | \[235!!!!+1\] | 23 × 18217 × 20231 × 35569 × 2672389 × 88636458722704479753587412605612829882809<41> × 545392624430613615190523568923022191897645578566099569<54> |