n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 174: | \[174!!+1\] | 3931 × [82971163595777141194389805986516908343109152556545790800347886701398025118694516922486341093856346259058933971574924291534317051799805929076570847112693971<155>] |