Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 285: | \[{11^{285}-1\over10}\] | 5 × 7 × 192 × 571 × 3221 × 67989221 × 195019441 × 1047623475541<13> × 6115909044841454629<19> × 19919700302204669731<20> × 1412900479108654932024439<25> × 180124441029509240214675551<27> × 173516799777015420048132343577477787151<39> × 70936642914344833352813733548603906020291<41> × 508568900668568183687977203243668969212355503219639087055733429318000886103514890082042271<90> |