n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 192: | \[192!!+1\] | 97 × 191 × 12960415441<11> × 1639010787824371046788343311534739003204543<43> × 116164196432368440277968301856548124138670833<45> × 1718589305389908068810753677571479271102510316572296211651270097824004107334497<79> |