n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[171!!!!+1\] | 23 × 4013 × 204023 × 211830724288791770512169<24> × 1071280375705200864594165651437025660809438437<46> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[171!!!!+1\] | 23 × 4013 × 204023 × 211830724288791770512169<24> × 1071280375705200864594165651437025660809438437<46> |