n!/n# - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
81: | \[111!/111\#-1\] | 53970003815150555423<20> × 6683171270258856025862257208781871<34> × 17472650134297260848686541137655882526581597241981664073428267388173864252278697903<83> |