Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 156: | \[{10^{156}-1\over9}\] | 3 × 7 × 11 × 132 × 37 × 53 × 79 × 101 × 157 × 521 × 859 × 3121 × 6397 × 9901 × 216451 × 265371653 × 1058313049 × 388847808493<12> × 53397071018461<14> × 1900381976777332243781<22> × 900900900900990990990991<24> × 6060517860310398033985611921721<31> |