n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 208: | \[208!!+1\] | 433 × 463 × 491 × 381541 × [5561906966570749255525517595744397770991146811819995830699428292331737948044001811618604173942126621742505697909078780698308520793360917213935999728616934720096024116955936109816116249<184>] |