n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 178: | \[178!!!-1\] | 34 × 281 × 5862763 × 31334157835526580131<20> × 545670460493584348679<21> × 3758426684572496483940517724785219218754547860838078062657<58> |