n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 215: | \[215!!!+1\] | 727 × 31285215674230239457590749844883<32> × 10750177796168362648375352515410703301062668469379545126532851286792281642647716402204101105806897949661<104> |