n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 201: | \[201!!!!+1\] | 2 × 251 × 2777 × 10487 × 7760959266365481621247642492809251385515034308426921463345524120282668250927024272987<85> |