Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 533: | \[{8^{533}-1\over7}\] | 79 × 8191 × 13367 × 121369 × 166297 × 3887047 × 125617441 × 164511353 × 744487658617<12> × 177722253954175633<18> × 12608952924551863965992360478915656490891827318068815112341761299345519816732865095518014457919111246360424125987663964268856399<128> × [135747214403940873519330086474508964883210723795787054550622314335291114723821694891365535415208405950994841054424261844556324978935738464583224417104619219223046918924393937485142311290746297887610954569773895344632482615311064222836027407369955818637374380422817666751535205455911<282>] |