Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 271: | \[{9^{271}-1\over8}\] | 3253 × 8916443 × 220586933947<12> × 688981583287<12> × 490543245624181<15> × 1940450784379411<16> × 2709600825365281117<19> × 2316988319537740538182118778939772220401<40> × 729770264735473427204107210176391847546673529038253<51> × 25868527977712808361978066658579889576559130208360024345084977414463027844372456066131<86> |