Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 423: | \[{10^{423}-1\over9}\] | 32 × 37 × 283 × 1693 × 16921 × 333667 × 35121409 × 4731576386223439<16> × 721030498171501831<18> × 316362908763458525001406154038726382279<39> × 19968641215878703201988882553105137323658934106291755303125457268129<68> × 441506346488360048482114135141919313523563714948107161215664533500695867<72> × 369086478818759562903643016277384529057965296358575656669454667246151346922821275804806005341000546761444386183095949210608837818505085792471263955065479446326350954641451674308894252507<186> |