n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 406: | \[406!!!!-1\] | 1607 × 133387 × 463549 × 1901228952889741278371101<25> × [7300920550135239392932261431071554460228398216449936531209003860867775180778991253120879966785783037543276356643289758017195555398681250050475202746846064964057482904087330261326273539<184>] |