Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 675: | \[{8^{675}-1\over7}\] | 31 × 73 × 151 × 271 × 601 × 631 × 1801 × 2593 × 23311 × 71119 × 81001 × 100801 × 115201 × 262657 × 348031 × 537841 × 617401 × 1605151 × 10567201 × 97685839 × 429004351 × 1348206751 × 49971617830801<14> × 11096527935003481<17> × 13861369826299351<17> × 1094270085398478390395590841401<31> × 2842496263188647640089794561760551<34> × 470390038503476855180627941942761032401<39> × 2029839982282855554442383177052070534551<40> × 17645665556213400107370602081155737281406841<44> × [183645984635942804936449053181544418221262466284814112450279464850137362002816061218396420154299297187177122925582343036452531605041584970511880817887779340393997585462107298617417211739389050001296171758519744328838177817909454302828865257654458715290873691270168227748401<273>] |