Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 552: | \[{10^{552}-1\over9}\] | 3 × 7 × 11 × 13 × 37 × 47 × 73 × 101 × 137 × 139 × 277 × 829 × 1289 × 1657 × 2393 × 2531 × 9901 × 31051 × 1569889 × 99990001 × 1469409649 × 18371524594609<14> × 143574021480139<15> × 203864078068831<15> × 549797184491917<15> × 536430531035337769<18> × 757108543129939106221<21> × 11111111111111111111111<23> × 24649445347649059192745899<26> × 1595352086329224644348978893<28> × 4181003300071669867932658901<28> × 38115215074391056784287931569<29> × 19108466176791400681292709171992566565029<41> × 4178437150016715837818641871709193476807772628503969494400330129962348520684914375257<85> × 1077654773020602154835873595438016994801570811542710006429679112760889048401772560028378495799359646781326368530020399986158679489264953<136> |