n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
70: | \[70!-1\] | 1823 × 23114065957<11> × 486676665551<12> × 333434996390401<15> × 1751823366233125592434934617123408693771754792700962263847459<61> |