n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 152: | \[152!!+1\] | 3343715538959<13> × 58180165359571<14> × 244723725707053202399477431<27> × 2992434384222968056436487673942227008191310043511323313332726539834603281735791539<82> |