n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 224: | \[224!!!!-1\] | 12634591 × 72177382441<11> × 217445316911<12> × 15056470543840080853<20> × 1236495952537464285815438694394406546148204013319318567645563<61> |