n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
287: | \[287!!!!!-1\] | 183697 × 596312344734837205606309251611<30> × 23781054572775720227989749148414381<35> × 1232185923748522884961526330249606637334482652849<49> |