n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 225: | \[225!!!!!-1\] | 4300937 × 5469939523<10> × 8473998390379315096070254816411<31> × 17054071258572312467602727724303312374359<41> |