n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
129: | \[129!!-1\] | 28 × 151 × 967 × 5039 × 44685871 × 9683954788199513<16> × 17665208133842706841<20> × 14759909669725418703672087069364371684792399074979032381<56> |