Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 315: | \[{13^{315}-1\over12}\] | 32 × 43 × 61 × 127 × 181 × 211 × 337 × 547 × 2521 × 4651 × 6301 × 30941 × 161971 × 825679 × 1609669 × 2714377 × 5229043 × 7327657 × 10032751 × 15886711 × 434272231 × 997294663 × 3357897971 × 995277238201<12> × 2617880963923<13> × 707179356161321<15> × 2997534286720771645924621<25> × 320553148774196624469658887398942218735081<42> × 146639684920621595373083553855161827745912318072000219071012614154704214720016634723958159028301767897680115520181667210167135981972711<135> |