Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 280: | \[{6^{280}-1\over5}\] | 5 × 72 × 11 × 29 × 37 × 41 × 71 × 101 × 197 × 241 × 281 × 311 × 337 × 421 × 617 × 631 × 701 × 1297 × 2311 × 6781 × 9241 × 55987 × 585131 × 5030761 × 37863211 × 1469029031 × 68754507401<11> × 81035189089<11> × 13509594555661<14> × 123099618068232205681<21> × 1708114263204222806519161<25> × 4098248663274279133275014316224239285844931775661062561<55> |