Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 444: | \[{13^{444}-1\over12}\] | 22 × 3 × 5 × 7 × 17 × 61 × 149 × 157 × 223 × 1481 × 6217 × 14653 × 21017 × 28393 × 152219 × 201091153 × 67495678093<11> × 1548921490187<13> × 4287755796749<13> × 31964044249933<14> × 1738568407946597<16> × 10626791079749447<17> × 596131104371449237<18> × 72899319864895280400157<23> × 120687541344843078804469<24> × 5897148699869174859194378551<28> × 1438734846120969865240176038964493<34> × 3832014914233819776114475402917811351<37> × 44924290571374325660729797630439312957923351<44> × 186121273917021854408917552512305587532503574509<48> × 25044646268853061600986562366030606612720224127987831<53> × 613735291639671522765908606069959851453062958262028210920934089<63> |