n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 221: | \[221!!!!!-1\] | 52 × 2025720917564387<16> × 694554183016918708029994629292864169754407738362089311346066512167549<69> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 221: | \[221!!!!!-1\] | 52 × 2025720917564387<16> × 694554183016918708029994629292864169754407738362089311346066512167549<69> |