n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 297: | \[297!!!!-1\] | 22 × 2591 × 2329763 × 114573390085001<15> × [138346339048411636419717173048834903323886400776415870615197684826087599435741421156756168048075739988546188390338512929352818507<129>] |