Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 129: | \[{11^{129}-1\over10}\] | 7 × 19 × 1549 × 1389891409 × 2338110553 × 44012945778511<14> × 1416258521793067<16> × 3440126314390780951<19> × 42534656091583268045915654719<29> × 3579868931117378066463082728904957<34> |