n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 323: | \[323!!!!!-1\] | 9667461341<10> × [291843904067485552525781985297406659598102301237553214988413909023168927164952306325508286427683697892217517281578514933147787<126>] |