Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 380: | \[{11^{380}-1\over10}\] | 23 × 3 × 5 × 61 × 191 × 229 × 3221 × 13421 × 83791 × 67989221 × 212601841 × 1390636259 × 1990415149 × 6115909044841454629<19> × 180124441029509240214675551<27> × 15403468930064931175264655869<29> × 125391374277955216479795494641<30> × 70936642914344833352813733548603906020291<41> × 8313646103048969380761924345966565789922617921<46> × 516262800270346286750957015107437143584755022581205411759884765761<66> × 1783406274974504999169574033657779494837029681909815260542208581586788746615955132961<85> |