n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 225: | \[225!!!-1\] | 601 × 3617 × 17868242716390491866029<23> × 1152763780500003650782715506748485938334828098757897042229<58> × 337023885737998854697754265167873921158464918089772168376967<60> |