n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 84: | \[84!-1\] | 661 × 853 × 3929 × 60951605441<11> × 37736359639980919<17> × 650438592344164710635253151761321658177571418796979447113690823021076323373629228094672233<90> |