Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 55: | \[{10^{55}-1\over9}\] | 41 × 271 × 1321 × 21649 × 62921 × 513239 × 83251631 × 1300635692678058358830121<25> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 55: | \[{10^{55}-1\over9}\] | 41 × 271 × 1321 × 21649 × 62921 × 513239 × 83251631 × 1300635692678058358830121<25> |