n!/n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
89: | \[120!/120\#+1\] | 61 × 340903 × 198539528779<12> × 1333279822718496761<19> × 2379000316440446833<19> × 10276982444899513992756070428219331013<38> × 1572459738690174171349322946448171822929977271989824161823597<61> |