Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 321: | \[{10^{321}-1\over9}\] | 3 × 37 × 643 × 999809 × 9885089 × 167805961 × 215257037 × 2386760191 × 511399538427507881<18> × 646826950155548399<18> × 10288079467222538791302311556310051849<38> × 536870618619383193962281769537913436162676545740172425043292056174870272278885790535713389169113545913247330891844724103638910604558267098693776384922291234880452137162105886041741931867313050881374774231<204> |