n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 230: | \[230!!!!!-1\] | 2689 × 1328303953 × 18086458105688591972793433379<29> × 12104534656359311231060765295947916744055950536293<50> |