n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
162: | \[162!!+1\] | 191 × 15187 × 4832112423267285720202068008754731510604430857245393594566100052123935234065211774304485381235344096671941923245476310018801889325983886053<139> |