Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 550: | \[{10^{550}-1\over9}\] | 112 × 23 × 41 × 251 × 271 × 331 × 1321 × 4093 × 5051 × 5171 × 7151 × 8779 × 9091 × 15401 × 21401 × 21649 × 25601 × 59951 × 62921 × 513239 × 83251631 × 20163494891<11> × 182521213001<12> × 1501539197401<13> × 78875943472201<14> × 318727841165674579776721<24> × 1300635692678058358830121<25> × 2495283264895779020253203931608951<34> × 1491273678477173069027664948012233844398077028447940172193498801<64> × 44659135987047270733848138282609193992779311307114487270946545676364972087041313965550458035508373749740227131627209038723801<125> × 6069650333889644423896816835276507778804898705650161138729963603757211141984131085449988328049514249213169785004014797295919583814686411189300687347453551<154> |