n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
282: | \[282!!!!+1\] | 367 × 15077 × 19753 × 815754962549<12> × 3099971763217451<16> × 76344290154181177<17> × 333174780552816058657<21> × 2238310041735060670725583<25> × 20139728483265468750980391900442200996978251<44> |