n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 289: | \[289!!!!+1\] | 2 × 14783 × 125340361 × [1186814925438253881608040974732468705556798555232126221191775047767590516738265738948119489124021714921594588187555311571988227140973551<136>] |