n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 366: | \[366!!!!!+1\] | 661 × 8521 × [2162174460148235376565657528342961246543118559347637775420234563047728938365157627627387642954308034496024186112350494364751358876945128504862724771797<151>] |