n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 272: | \[272!!!!-1\] | 5039 × 39829 × 236646199 × 14625523789<11> × 320986892101<12> × 2562841320469<13> × 70921843420573238688281711<26> × 5330814395451712776182096953695340647326922424561883931759521<61> |