Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 338: | \[{8^{338}-1\over7}\] | 32 × 79 × 2731 × 4057 × 8191 × 121369 × 22366891 × 6740339310641<13> × 10030854869257<14> × 4929910764223610387<19> × 4966300248405749059<19> × 18526238646011086732742614043<29> × 3340762283952395329506327023033<31> × 167510000247425697384594847173622455701743569339841261429683667<63> × 8342680841093063014359532631803433656669591074421858694040109486076573471951766107416262860801<94> |