n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 265: | \[265!!!!-1\] | 22 × 554137470810361<15> × [4214492495754384825258539541137725591329997532016939391665711321609677733647113053220834935000974593948760725590819971<118>] |