n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 227: | \[227!!!+1\] | 3212537501 × 35636470509699079571<20> × 7762308997378763048060820187209817149432636572934078151<55> × 674028153210487412166902690382702074481893203277771885118389681<63> |