n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | \[390!!!!!-1\] | 6589046897<10> × 1004107158892394697824374212191616822245830257570038138013155679263537712421<76> × 5663283731153464908990559496684350404123735430309779174131570820572336667518563047427<85> |