n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 160: | \[160!!+1\] | 163 × 1061 × 5580668377<10> × 2250601667844643<16> × 6687232445051081866363484003<28> × 5956527012582821628657218873564553280297478599438819602320465605980109864392418996879<85> |