Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 228: | \[{11^{228}-1\over10}\] | 23 × 32 × 7 × 13 × 192 × 37 × 61 × 191 × 229 × 1117 × 6043 × 75013 × 83791 × 1390636259 × 1990415149 × 1047623475541<13> × 37820720459377<14> × 6115909044841454629<19> × 308673703543834165513<21> × 1412900479108654932024439<25> × 15403468930064931175264655869<29> × 74337838382167137728921322559<29> × 82531191728080869985969416771354049347961<41> |