n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 299: | \[299!!-1\] | 2 × 775189 × 15091367 × 807377517281<12> × 8643315164836227157<19> × [22987254536364278277661668628189399548375443938585034963284286875167205027946220024262809857129567781514587579774513930862894365487757934938324475746257342164434994670563753460053818191542854612724839392512375368357976942387647389867856877397187171839688690399347<263>] |