Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 143: | \[{9^{143}-1\over8}\] | 23 × 67 × 661 × 3851 × 53197 × 398581 × 797161 × 45040109496710622959391872603313706446921645052790773<53> × 1198014380856762535048758241151960180137876946928788681521<58> |