n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 527: | \[527!!!!!+1\] | 5 × 19359467 × 3399875535083<13> × [1177922894654390962600183422565633939802672855383605131135016347968932740251655770612507999369590677955484265422850069112946511387164687730333064714605438909752082927587541245981416675666980432452815453806835613308556133813<223>] |