n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 428: | \[428!!!!!+1\] | 5 × 337 × 91163 × 9269969 × 118697219 × [20913584765588338221609326940075412629860277812368474859092750348097023907667287894798860568909500630903787534843981667019554630524929810399654335872545198349209206301<167>] |