Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 212: | \[{6^{212}-1\over5}\] | 7 × 37 × 107 × 13781 × 26713 × 97351567 × 33685364386033<14> × 357293834576449<15> × 71080464397105403<17> × 7091531088740602980647<22> × 175436926004647658810244613736479118917<39> × 175787157418305877173455355755546870641<39> |