n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 195: | \[195!!+1\] | 22 × 2129 × 4656671806063<13> × 49631893099924268449370624759455979<35> × 86396070893420707605551120765515640297533138724363795824723845375392684727150439644456558435123181428199172203319167781195787178093<131> |