Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 209: | \[{11^{209}-1\over10}\] | 6689 × 15797 × 1806113 × 3107455009693<13> × 3215499310277<13> × 1056394526657537<16> × 6115909044841454629<19> × 342732573655364605155483163584083618987113<42> × 1060460880675976129413840157096575414622467977521678528517446785922313172536630222073878846647128989249<103> |