n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 142: | \[142!!+1\] | 907 × 7639 × 2690167 × 10874907299<11> × 239810969256919<15> × 41311924846561492702241256676929233299175618041669200849584431201990975343152321334231<86> |