n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 277: | \[277!!!-1\] | 33 × 10903 × 206785067 × 1911319397783<13> × 492814894160214133<18> × [86352459672043138918623077311040651951584253449347934494155849957417078213157028393874710488892503869348115215633010731381070217958276606909083<143>] |