n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 294: | \[294!!!-1\] | 189421 × 52310057 × 17667237090729812310019<23> × [3083681157901828842178888121037327944429968849547738890863521781865664482941425393917131233230888158105574721689148419257453484939309819415519150197804627808840724193<166>] |