n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
170: | \[170!!!-1\] | 31013 × 11217532418629<14> × 135764361627361<15> × 16460230146046157<17> × 210385684297854822508879661<27> × 74504460958422986463126835871<29> |