Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 646: | \[{17^{646}-1\over16}\] | 2 × 32 × 229 × 457 × 647 × 1103 × 1559 × 2927 × 3877 × 10949 × 312931 × 1749233 × 20352763 × 49700011 × 70605217 × 202607147 × 291973723 × 522298753 × 2699538733 × 45957792327018709121<20> × 50658732620042793231521<23> × 224407889720666608362893<24> × 20127802620618826960348815061075517260588979124826192055678442594667706011423750629159370568191969828394094166695600612844639065369784784708323775298317<152> × 33176775755909040855116779650356675522277449670853143363280986842626910149814018594270693062774421064996000102634957302695931305418673153665406695082888001189<158> × [156400460258409525758022943129893235662417382988614243603102080426237520271725199644075450354652819958664503839368991645932325350021061200968356184438061397675064138440391512678511835934393536619976286572013913134639177526539345240739318261921584333889236762109659723391080551788387364391091613737051076444931340750421743141<324>] |