n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 82: | \[82!!+1\] | 83 × 5996458998887018333197<22> × 147803863437447791280754553262100342151<39> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 82: | \[82!!+1\] | 83 × 5996458998887018333197<22> × 147803863437447791280754553262100342151<39> |