n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
230: | \[230!!!!-1\] | 463 × 415748660267<12> × 74991896009923655130463724668694136513902583358454567155002834777977432405994820161914399346367219<98> |