n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 208: | \[208!!!+1\] | 15736351702715801219787468166463<32> × 41809098682473553060343558254256167164319396045771425923282035976089929950088038473693161762648398527<101> |