n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 155: | \[155!!!!+1\] | 24 × 239 × 3323 × 1701381755517373<16> × 92893017360026631367387160644798321762776007081<47> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 155: | \[155!!!!+1\] | 24 × 239 × 3323 × 1701381755517373<16> × 92893017360026631367387160644798321762776007081<47> |