n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
152: | \[152!!-1\] | 151 × 2438717 × 671842425652866892334668599655973353<36> × 575836525067814656841630024730537750306710397930556577617036604232448431105645792762535749<90> |