Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 720: | \[{10^{720}-1\over9}\] | 32 × 7 × 11 × 13 × 17 × 19 × 31 × 37 × 41 × 61 × 73 × 101 × 137 × 181 × 211 × 241 × 271 × 2161 × 3169 × 3541 × 8929 × 9091 × 9901 × 27961 × 29611 × 52579 × 98641 × 238681 × 333667 × 1676321 × 2906161 × 3762091 × 4188901 × 5070721 × 5882353 × 39526741 × 99990001 × 265183201 × 1132716961 × 5964848081<10> × 999999000001<12> × 8985695684401<13> × 3199044596370769<16> × 9999999900000001<16> × 4185502830133110721<19> × 4999437541453012143121<22> × 1105097795002994798105101<25> × 19721061166646717498359681<26> × 281259985248437790051014401<27> × 31388506438433752927908678241<29> × 100009999999899989999000000010001<33> × 95853807664312827399794371014650641<35> × 111994624258035614290513943330720125433979169<45> × 2582785559040998185916696136639544586696154922477921<52> × 39340929985040037939860550511566010202173435808159761<53> × 387178872244935905889772080780710293688045544881430361754684573270941224160164698232378629400751141017399632124896823872033355066626985720481<141> |