n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 344: | \[344!!!!!-1\] | 6418543 × 2573309559174948375532075010919831355263180256407801372255263969<64> × 6456505299604409972043880357538280102682071457775536135511273855705782285969<76> |