n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 267: | \[267!!!!!-1\] | 5333 × 25294901 × 32629948770401369<17> × 119586616618708470064834703414788393104963959288859680039410957917692074279306159<81> |