Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 272: | \[{14^{272}-1\over13}\] | 3 × 5 × 172 × 41 × 103 × 137 × 197 × 409 × 937 × 2857 × 5393 × 5441 × 16097 × 62017 × 2774129 × 2990369 × 135780497 × 1198859041 × 1253535423961<13> × 475021736393117<15> × 14837638311110071<17> × 22771730193675277<17> × 45887198892210383306251244211905666572038717350519526122537209<62> × 217364186144126677264162744428055036604099093796511147372629926312464992321789519628362959622511500068038122327429804933313<123> |