n! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
86: | \[86!-1\] | 18056085329836675547166722819<29> × 4498990032296049864443764715000903587<37> × 298237822438505425978000565616476924800179811493631309284392476583<66> |