Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[{10^{165}-1\over9}\] | 3 × 31 × 37 × 41 × 67 × 271 × 1321 × 21649 × 62921 × 471241 × 513239 × 2906161 × 83251631 × 1344628210313298373<19> × 1300635692678058358830121<25> × 138267770127916457629034873443951<33> × 1703548913892494075097664562023844278044121<43> |