Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 88: | \[{17^{88}-1\over16}\] | 23 × 32 × 5 × 23 × 29 × 89 × 353 × 947 × 25741 × 41761 × 4578289 × 87415373 × 256152733 × 6901823633<10> × 2141993519227<13> × 10220537742525964173135803376631640231153<41> |