n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 272: | \[272!!!+1\] | 3 × 6899 × 735108691 × 427231517036417990375348404133<30> × 5606523330866715289178798316740394563016455281617451<52> × 15929247152342409662060287379561206825625887424887337289702678516955107626212155196216261<89> |