Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 553: | \[{9^{553}-1\over8}\] | 547 × 1093 × 3319 × 6637 × 66361 × 317093519 × 432853009 × 234363784537<12> × 327220181191<12> × 392038110671<12> × 145171177264407947<18> × 567239060331150635317<21> × 240780364415138273081833<24> × 87342335082383885287816699213<29> × 1154021679827974602378869280423716945140873<43> × 1496011698256808140870327017215159254210989805180702509984299821<64> × 1311856567988975419611247459617464197060581406673461639594334403781089672393080946888216894062632439<100> × 4389386975139375094223025517619607803065898773350425164332420619865260938938459485024633273410545045013525290489763925024526894603895969935236238028647746738554523<163> |