n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 310: | \[310!!!!-1\] | [65973838062772904505771643814286124947540948234253462976629337544470535484277116691482669244613032393289564462221883715717635594939579079065599999999999999999999<161>] |