Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 249: | \[{12^{249}-1\over11}\] | 157 × 167 × 997 × 1993 × 22079 × 557889481 × 35238620437<11> × 2731547200091<13> × 1417303413610237<16> × 10052468384786123<17> × 8580328460037248736936629989<28> × 825176156498150775878180145483505039849<39> × 758888003995421671519062481596745416087520941329410981402065276540387039967661674423354584430790687525759052111340952002993<123> |