n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 209: | \[209!!!!!-1\] | 5 × 83 × 269 × 1249 × 11715523 × 271958808175858063723<21> × 291928831589241908999215937735337503920918021<45> |