n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
187: | \[187!!-1\] | 2 × 6967 × 35527 × 2859636352192802765403211<25> × 88416612770708792570709964142320423375052140953817199611738627915514318918364012747797553880530524811385690521879035691397656326172698536063<140> |