n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 167: | \[167!!-1\] | 23 × 8923 × [55200356289697927539344261805760056879639548186177010449025353274356121027007790781086966538107737166310924155757493907793826709068846872244850611<146>] |