n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
228: | \[228!!!-1\] | 149 × 163 × 267419 × 27729545693<11> × 2061694174598029928491429231<28> × 9266325327539740257896106999327600814586336539463250300016818648705859383215636862819797084351892001<100> |