n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[420!!!-1\] | 3713887 × 28263691 × 1860103033 × 735984239333667517<18> × 586979011103406243580297419447730524871583538078851578781582127365193984586347566672249635861922598685297171488980346311881203014579237574786277192879706765936558688337842525820430548292456534268807411096533024564206259043541170834293678380550888899935303024612499127<267> |