n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 215: | \[215!!!+1\] | 727 × [336321630889448351374662655512694415583380911484962627401097547397652900120469990749013157656239948895843107484860235708390646492434663<135>] |