n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
167: | \[167!!-1\] | 23 × 8923 × 2750515063527640851346836203440429<34> × 4281977347813238652194798941309919130550717250763523<52> × 4686876259291638558321365681843805671845363556154318709436533<61> |