Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 260: | \[{6^{260}-1\over5}\] | 5 × 7 × 11 × 37 × 53 × 101 × 131 × 241 × 311 × 313 × 937 × 2341 × 3433 × 6781 × 11831 × 37571 × 425101 × 760891 × 1420901 × 49398961 × 571140885901<12> × 6291946695217<13> × 22533649654910414281<20> × 1095110988527465328644161<25> × 1948613642347230963768492935356381<34> × 199930782298483523040584108028862541<36> |