n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 252: | \[252!!!!-1\] | 137 × 73973 × [16642653751920269773931835717844180686484623949502025729970859971201587064837944361799740149287428683086963206480644299<119>] |