Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 46: | \[{18^{46}-1\over17}\] | 19 × 47 × 599 × 7468009 × 20801237997245359<17> × 3913037558632733048069409307<28> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 46: | \[{18^{46}-1\over17}\] | 19 × 47 × 599 × 7468009 × 20801237997245359<17> × 3913037558632733048069409307<28> |