n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
443: | \[443!!!!+1\] | 25 × 2843 × 1713493 × 1624467991 × 867187292819621<15> × 588260337224699561<18> × 23105522320668218259326506877760617940267099866691169566939413965646594482033212222174300706558112690921232579336376878289203330432377233256261780017866610765493715047022636601747103979557523967<194> |