n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 169: | \[169!!!!!+1\] | 103 × 66959 × 109297 × 5375246850094483<16> × 17953065253954186954265362952480051<35> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 169: | \[169!!!!!+1\] | 103 × 66959 × 109297 × 5375246850094483<16> × 17953065253954186954265362952480051<35> |