n!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
293: | \[293!!!-1\] | 33 × 32203 × 9087437 × 87494003 × 879982217 × 801565027011872128791659<24> × 177120299250629960873308796148758162265836806030857374283671359491691090418668060048899652800189730461312727732549426088151456473360847170095855163<147> |