Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 106: | \[{10^{106}-1\over9}\] | 11 × 107 × 1659431 × 1325815267337711173<19> × 47198858799491425660200071<26> × 9090909090909090909090909090909090909090909090909091<52> |