Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 565: | \[{8^{565}-1\over7}\] | 31 × 151 × 3391 × 23279 × 65993 × 396631 × 1868569 × 10113049 × 297709383031<12> × 1066818132868207<16> × 185318160171793066961<21> × 320021624768405574452943847<27> × 4760137992283599860814226997712217<34> × 29444549303703754611026537050435001<35> × 68750119162808671470205692247838042160149735698258312826959903010625527023050151<80> × [7585076326589253383232679748141894362757391136146087204354757619020986220303959983936296124086287880159545144013061554545515908776690725737859118520970335359697110171543555818681773900009835001291364201866380794622068720872493525978107337623880731546391<253>] |