Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 258: | \[{12^{258}-1\over11}\] | 7 × 13 × 19 × 157 × 431 × 4903 × 10321 × 25801 × 53923 × 71209 × 272191 × 3227839 × 3784861 × 8211109 × 12313309 × 372060253 × 10273420681<11> × 13444466603<11> × 52929369769<11> × 1243368187803728694619<22> × 7177727914895266742809<22> × 145096636623818195367871<24> × 32359758358562524963364461<26> × 1085519359321015557480968537352630926574094702421889253959355080487956521679317029369<85> |