n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
324: | \[324!!!!!+1\] | 52 × 332878300844739432963136480206327633066135180163004290663576754484784332328061943732866390446918916418119668003422204933245065879313449<135> |