Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 156: | \[{13^{156}-1\over12}\] | 22 × 3 × 5 × 7 × 17 × 53 × 61 × 79 × 157 × 313 × 1093 × 1873 × 4603 × 13417 × 20333 × 21841 × 28393 × 79301 × 264031 × 380329 × 1803647 × 2874105113569<13> × 57745124662681<14> × 1418792215861230619657<22> × 584288727345658049575114801<27> × 175896936322583374048200494355370681<36> |