Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 84: | \[{10^{84}-1\over9}\] | 3 × 72 × 11 × 13 × 29 × 37 × 43 × 101 × 127 × 239 × 281 × 1933 × 2689 × 4649 × 9901 × 226549 × 459691 × 909091 × 10838689 × 121499449 × 4458192223320340849<19> |