n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 193: | \[193!!!!-1\] | 25 × 89543487901290741305980126877859051955969177047508594667052221920290615852558841438293457<89> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 193: | \[193!!!!-1\] | 25 × 89543487901290741305980126877859051955969177047508594667052221920290615852558841438293457<89> |