n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
286: | \[286!!!!+1\] | 90640041242437947809082627004531530757483507906829164378446762077107303514998011870921479003936840548483105412069042857313304576000000000000000001<146> |