n!/n# - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 58: | \[81!/81\#-1\] | 170347 × 96615893450094833<17> × 1212429816322580861<19> × 90289027175777482020831143554236245260956062793809<50> |