n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 163: | \[163!!!-1\] | 34 × 757 × 7481742571<10> × 27617731204814983499<20> × 1027146142206931454308967519<28> × 4383924267909107082690141841963719797<37> |