Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 676: | \[{8^{676}-1\over7}\] | 32 × 5 × 133 × 53 × 79 × 157 × 313 × 677 × 1249 × 1613 × 2029 × 2731 × 3121 × 4057 × 8191 × 21841 × 121369 × 5270773 × 22366891 × 40318669 × 180201997 × 1259036730797<13> × 6740339310641<13> × 10030854869257<14> × 615946323850313<15> × 1659020904838638433<19> × 4929910764223610387<19> × 4966300248405749059<19> × 408946876729703992293841657<27> × 18526238646011086732742614043<29> × 215656329382891550920192462661<30> × 3340762283952395329506327023033<31> × 795557710108345785144834946059455614837<39> × 403875924830102666591657532936430302473103394672309<51> × 23299139900642135368682920483464340090358513723577291781278961<62> × 167510000247425697384594847173622455701743569339841261429683667<63> × 8342680841093063014359532631803433656669591074421858694040109486076573471951766107416262860801<94> |