n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 771: | \[771!!!!!-1\] | 52 × 17467 × 189106681 × 6893961689<10> × 487728122671<12> × 379731720737026844010269<24> × [383034209033179637860589900928673825810244539856398856795723591517418259031808792350794905682492318267495077759906975125112067819015616312517556697552682801001381547790118970536708710137929693146855913138961622186748568888727653073747278962939501591329630961374856619307697216040897520946673451444804900611171236447158151<321>] |