n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
252: | \[252!!!-1\] | 87133 × 31088336498208901<17> × 14648367177124113848576122544904178149574658154390540864568260015942664067927829467441041524312669739525002989826073914905215046311051695769287503<146> |