n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 113: | \[113!!+1\] | 2 × 751 × 51130642033<11> × 5670709709006330914515252773658417141597316128145150390493725234253063052432911<79> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 113: | \[113!!+1\] | 2 × 751 × 51130642033<11> × 5670709709006330914515252773658417141597316128145150390493725234253063052432911<79> |