n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
239: | \[239!!!!-1\] | 23 × 61395157 × 26890512777202195243<20> × 245161290645917717289488787406466388084311440105978783033702145412202693865262662517493753<90> |