n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 447: | \[447!!!!!+1\] | 52 × 7869987941371<13> × 808746704323260739399711<24> × [228240139500335744306916277812247499578050333755087431479631965412379130280156536197848769546495766624453816026447713429324164077109419541639316121742641405035381<162>] |