n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
181: | \[181!!!-1\] | 32 × 2031577 × 112828956973392807370074637<27> × 752368207593015578107846728734702890091175389017929236040668901804637981493339<78> |