n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 165: | \[165!!-1\] | 2 × 1453129 × [8118805252277339137350513495757070259687742069200757734452936890632570128446554699674268504608456486731461436769533801592779546139611198470703<142>] |