Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 250: | \[{10^{250}-1\over9}\] | 11 × 41 × 251 × 271 × 751 × 5051 × 9091 × 21001 × 21401 × 25601 × 162251 × 1797655751 × 10893295001<11> × 182521213001<12> × 78875943472201<14> × 176144543406001<15> × 42051775804956304559810859008305819975199677041099230574273451704628125001<74> × 269409792871731627664586194662281233853701011108906726055753272681082282441709251<81> |