Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 148: | \[{11^{148}-1\over10}\] | 23 × 3 × 61 × 149 × 2591 × 36855109 × 136151713 × 243595717 × 254246981 × 3275634569 × 5555901630889277<16> × 2615418118891695851<19> × 2691614274040036601<19> × 10527743181888260981<20> × 5643352212924479303509278380689<31> |