n!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 280: | \[280!!!+1\] | 4001 × 26135833 × 124904763971664602851276281377947<33> × [106143861832125059445330800703922402831264946017598046082801832563872620537398661897530174272523594719341453351768931080395584433989910759074868651<147>] |