n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 393: | \[393!!!!+1\] | 2 × 35736701937427<14> × 3739158311511083<16> × [12317012948081911207062242249926003099860752203177067230172698441426650437466339860543490638578102101948710337640437507812150145057960563700615165090885462308760143950626387363902567143<185>] |