Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 189: | \[{13^{189}-1\over12}\] | 33 × 43 × 61 × 127 × 337 × 547 × 757 × 6301 × 650971 × 825679 × 1609669 × 2714377 × 5229043 × 7327657 × 997294663 × 203865063949<12> × 2617880963923<13> × 57583418699431<14> × 91323298699395463<17> × 56199108572218966663<20> × 2553479318297454340058437152518127043240689988025625204498610807184857<70> |