n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 201: | \[201!!!!-1\] | 22 × 1374869 × 86874113108946763<17> × 290882552821075417734667<24> × 816426139204954963457229118374804589896758525119<48> |