n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 380: | \[380!!!!!+1\] | 26099 × 681271 × 7260601615865472069667<22> × [1932988490005806076323168044825453636569488963015860422057245732267548118927582834426181450870892728239680226872909289840265032623807<133>] |