n!/n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
58: | \[81!/81\#+1\] | 163 × 19848528672611<14> × 556876283433106611063940319026302530427349972400606035296950337038672038457<75> |