n!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 89: | \[89!!+1\] | 2 × 1069 × 8329 × 431731 × 6269479 × 24504397091417<14> × 298871741125859254957141559442518761<36> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 89: | \[89!!+1\] | 2 × 1069 × 8329 × 431731 × 6269479 × 24504397091417<14> × 298871741125859254957141559442518761<36> |