n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 394: | \[394!!!!!-1\] | 24046006423<11> × 10027239397121055244031657<26> × 21980643609940956935604123106476607697591605733305364610016535262731712506622479202157583910240594317368152379442616844469845721848239793<137> |