n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 134: | \[134!!-1\] | 83 × 151 × 197 × 24622435965600331<17> × 455045269574901269643529<24> × 194559219420033156999819635604971118636196637163942614856801110649101<69> |