n!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 130: | \[130!!-1\] | 131 × 7307 × 1709434655634701405903347<25> × 6454684243057812158306777849<28> × 28809920711636165891495344842134010324437515062174349<53> |