n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 213: | \[213!!!!!+1\] | 18216509 × 1586361941 × 353541381267637136381418536974307361101981699982572351435005603777<66> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 213: | \[213!!!!!+1\] | 18216509 × 1586361941 × 353541381267637136381418536974307361101981699982572351435005603777<66> |