n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 239: | \[239!!+1\] | 2 × 7406625566435561<16> × 873701728239470938321<21> × [35347751922650219476810941352003120252893047519277371137172805269980412248343417859223066326049605103291985674771195454092891034351663665691646633826433811724912074751881256762223151756862700033473<197>] |