n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 508: | \[508!!!!-1\] | 205475323 × 75977883366426499<17> × 12708118284355215079<20> × 290630530952662752377<21> × [1512514951221050670509698469852525128373466731442077360395604761303184847718532242769720248398303199476995819321829681405059240726128723691393525240259160157224670517454288343346632016273006443020491588642916538072539244695489<226>] |