n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
174: | \[174!!-1\] | 967 × 63105619 × 1727759516753022279101<22> × 1347222583075171760054677<25> × 2296217758799059447854360842195569415873882107143629885329121270512114150794451614365181744384100989619<103> |