Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 270: | \[{12^{270}-1\over11}\] | 7 × 13 × 19 × 31 × 37 × 61 × 109 × 157 × 181 × 271 × 421 × 487 × 541 × 661 × 1657 × 1801 × 9781 × 19141 × 22621 × 30781 × 35671 × 39097 × 69661 × 80749 × 306829 × 5234401 × 21456901 × 22981681 × 45103501 × 47336293 × 92442871 × 29315905831<11> × 47263556341<11> × 9298142299081<13> × 86769286104133<14> × 3754645011808021<16> × 11719914497486992163161<23> × 45726761961907655567941<23> × 29047373355949915235184684361<29> × 937464483504494178640285420770901<33> |