n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 157: | \[157!!!-1\] | 3 × 5130683 × 15428654389<11> × 3429659843591<13> × 2685862754896462927327931828022958453331056120132943720019454549<64> |