n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[165!!!!+1\] | 2 × 223 × 3108349 × 5731413253938324034663352857<28> × 57053479763312823093253459103560734017<38> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[165!!!!+1\] | 2 × 223 × 3108349 × 5731413253938324034663352857<28> × 57053479763312823093253459103560734017<38> |