Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 60: | \[{10^{60}-1\over9}\] | 3 × 7 × 11 × 13 × 31 × 37 × 41 × 61 × 101 × 211 × 241 × 271 × 2161 × 3541 × 9091 × 9901 × 27961 × 2906161 × 4188901 × 39526741 |