n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
172: | \[172!!+1\] | 40697 × 46059432223251218499703913238965899474185603036596148835869392872754838426282395073642611805375992461298747124779033867900878955836084546772489372681033<152> |