n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
148: | \[148!!-1\] | 127 × 1767043 × 2621371 × 6198449 × 8492611 × 3883842029490027251<19> × 51952325108359853720833973188820727093103514531652403761748586593732916972191228361<83> |