n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 206: | \[206!!!-1\] | 239879 × 184544413 × 393771525555917<15> × 1420176155864390571523243<25> × 1036785579256416209850232243073234006524347049153998257194323720444106863064627<79> |