n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 337: | \[337!!!!!+1\] | 2141 × 1509941 × [9302006868772302368469944448358642887404640823738166552953692136566400400475142604005168070723794275354971447389428642298561027060417<133>] |