Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 840: | \[{13^{840}-1\over12}\] | 23 × 3 × 52 × 72 × 11 × 17 × 29 × 31 × 41 × 43 × 61 × 71 × 113 × 157 × 211 × 281 × 337 × 421 × 463 × 547 × 601 × 641 × 673 × 2411 × 2857 × 4441 × 4621 × 4651 × 8161 × 14281 × 22079 × 28393 × 29881 × 30941 × 161971 × 217561 × 654221 × 759641 × 1759171 × 2714377 × 3153361 × 5229043 × 28325071 × 175362601 × 460655521 × 815702161 × 960991081 × 1453046401 × 3357897971 × 54165939703<11> × 213867479113<12> × 543124566401<12> × 995277238201<12> × 16566575194331<14> × 23161037562937<14> × 707179356161321<15> × 2341071239305009<16> × 30152259698778631<17> × 61452748127532301<17> × 7066153531292010121<19> × 18603406827218262281<20> × 56156144390197362704881<23> × 4803378460849459680406337<25> × 588486814214037155145329833<27> × 5160206875469814362621849035741<31> × 320553148774196624469658887398942218735081<42> × 296376064934132422053161022580730249078367228427198561<54> × 98542117049331707365837814692925061564939784267984202281850927032081<68> × 86297794105228401539836540411996799887021378798575680599824416552282269216206509701965747383164351003081921<107> × 338182924786046527789981381746199085434960737417396640245208823529787043218571893986907058390337366416303622084374942977277129736326916132074059692448379432343911726336699425115609546582761<189> |