Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 711: | \[{8^{711}-1\over7}\] | 73 × 1423 × 2687 × 5689 × 12799 × 49297 × 262657 × 202029703 × 1113491139767<13> × 41851365145831<14> × 566577025549417<15> × 23728823512345609279<20> × 31357373417090093431<20> × 2264185782428196872809<22> × 52701137729911178439185017<26> × 864328108984548257763049805767<30> × 2189026924529636243180163130111<31> × 19573690271784800408214873038427972853220421889<47> × 165881583766270315258032910858563450583741187377<48> × [233263454045312396195315947442856932653830312796896169184489427702261156207868119484749157981369086961743670753393909312423037563164459392283455375873067244759456186861454700202344232526860770093851258069850783160458912493407360076833345385552081817329619099467164281682876901830357857629977107711287599982909843003908013295161<327>] |