n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 366: | \[366!!!!!-1\] | 5 × [2435638069604835623699250943029171281753155330883401480231839233690666113119616976770714647962125688328550240279933357960126524692537415966669443722579751731<157>] |