n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 324: | \[324!!!+1\] | 109 × 12157 × 137195226647<12> × [24637807369759057021587348714262187488927084201626585878563506605148581551548142060195513693727457573155173979206113028561215199702467176665403091919187633779193764026030477206056889036377160947558121576224991<209>] |