n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 240: | \[240!!!+1\] | 1201241 × 77521337 × 339611067084967565519381413<27> × 183034443039790678712569541055349<33> × 1827519595949030204427597865949435611243935478432501809462720811000321027905243631369<85> |