n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 449: | \[449!!!!+1\] | 2 × 1567 × 71140397 × 534512016268931<15> × [160543555595805408570240374678872807427694783743166570910965039764651968683899616256355567323044457940802663731299984917799206905533138396300332277064748031076722044426527140084159970612638594343693930611270784584032163118777<225>] |