n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 516: | \[516!!!!!+1\] | 397 × 334426045531<12> × 1656829954114408349805424759<28> × [1223077859847249795588637944106503674565610830740485344193390772801347045832316998098565424556475515962632847022890441784283467110920442470852573893320131761508511930289594367003921446935741276889<196>] |