n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 192: | \[192!!-1\] | 691949 × 578098223 × 59056710217<11> × 18029409919668359<17> × 184614451455191377<18> × 9793181231527528675841952571<28> × 102031498241021740062647191910357419601279727496608092474380459639766239651564116567594164737<93> |