n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 211: | \[211!!!!!+1\] | 59 × 6019471330550357391618400331<28> × 2074767162315251490833197565154517951733773883674873<52> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 211: | \[211!!!!!+1\] | 59 × 6019471330550357391618400331<28> × 2074767162315251490833197565154517951733773883674873<52> |