n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 427: | \[427!!!!+1\] | 23 × 347051 × 958075747 × 2790625283 × 23982368619195032567<20> × 135125006461761922367<21> × [3403073749140245513267700669115120654672948757819300368242183554671372815152808454803313888490155173493729940652530200902578877770933550131140825161890136786601179749160173<172>] |