Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
196: | \[{6^{196}-1\over5}\] | 73 × 29 × 37 × 197 × 421 × 55987 × 5030761 × 6527977 × 288628033 × 122694573317<12> × 600827908214213<15> × 762332681442053<15> × 90179616936384011<17> × 802354924671793395266725600744864562917483072464133108417<57> |