n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 218: | \[218!!!-1\] | 673 × 11489 × 97501 × 833103744293295096073<21> × 56589151218829918007799751<26> × 1499709266042961468776766429169296210868452260725342709614877544956600512191005429<82> |