Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
265: | \[{8^{265}-1\over7}\] | 31 × 151 × 6361 × 6679 × 69431 × 13960201 × 20394401 × 540701761 × 29324808311<11> × 229890275929<12> × 197748738449921<15> × 36614110124735294634435619027766763481<38> × 286907046163163757424486835141888954626079914425458195174373438200921939344176261145611475682317574468979232833614978133229351<126> |