n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
143: | \[143!!-1\] | 24 × 1048379743 × 1144252324024563123200980425179494489267612731497138160023592661398707581838741436691914774186521965667346059330423<115> |