n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 325: | \[325!!!+1\] | 751 × 11719 × 9199805389<10> × [295625968591675778761191447654759397006190276454401178793038033307151522066506508156626532835379589789431872474166722773852256913544864843713587126144128853748987983373116155160416740880657242792116206495917661<210>] |