n!/n# - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 63: | \[87!/87\#-1\] | 677 × 90276282542921<14> × 129134438338190843303435679634455269522124139302114276734439210554565173723851385147<84> |