n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 298: | \[298!!!!+1\] | 151 × 283 × 29292314369<11> × 17819522508010080133<20> × [103244887441777206125087057324489834556787107832761779779866728207331429493618981076602232042377414318156299298710696161<120>] |