n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 390: | \[390!!!!!-1\] | 6589046897<10> × [5686543737290026085575630187291634342723818885791318970036808329345869911865083588499701789410029145221304683028423131892606409536684164231711948004974109990767<160>] |