n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 183: | \[183!!-1\] | 23 × [452247008332899659937783575892339397527320434877570094248871435083345801220167866795129215680819344227824090066943426543238388423480201600041526492407174408435821533203<168>] |