n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 216: | \[216!!-1\] | 139 × 353 × 1063 × 44645144714617757<17> × [184603949496571305486829331599908540424901530665919601415994834394657343487416572134060875687695125544197718497233937801913071441768666706723457821505949233293989532687879767936573367<183>] |