Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 329: | \[{8^{329}-1\over7}\] | 7 × 127 × 337 × 2351 × 4513 × 12503 × 200033 × 9106063 × 13264529 × 270447871 × 4375578271<10> × 9585228595374769<16> × 646675035253258729<18> × 512512927677384344303149537<27> × 9934018379230425610659608142885693781941091888647157503817<58> × 5210534962515057847841322440891322497979705533451447703876580568998286376287515867946202891679609184135123687873258361626007<124> |