n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 174: | \[174!!+1\] | 3931 × 15591296494632329180585503009271<32> × 3360839929945581528987099991884112033831<40> × 1583423630332462267934464557731884753163633688613459224870238176697238324638641302771<85> |