n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
197: | \[197!!!-1\] | 36 × 21089 × 51134389 × 110366909078690937874239809<27> × 35370392916635886461844359010194313423843981630365850361136742051891066013456917179<83> |