n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 298: | \[298!!!!!-1\] | 52 × 1029106207160734154684947549<28> × 36550686569205659283268935850642294573396073810502680712953089439493058888857522224194722946499<95> |