Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 530: | \[{15^{530}-1\over14}\] | 24 × 11 × 31 × 107 × 1531 × 4931 × 56711 × 4423381 × 6618762113<10> × 80469189271<11> × 144923043227<12> × 19273082604001<14> × 69249662260776479<17> × 4414076558905559947871<22> × 2603667389751346537084259<25> × 1628505112656797934760689563<28> × [157947248714084227125348431483027462166681732596128923775518747265901025663858247274478848986974430857695499887374877596618749036508786272218833014260010073293908336224418081347038975581253894168110579326196142889216681<219>] × [45186638556134209193332346965728282660530822425365785078409980475446704705527611541212258855977168204257289700375175874403585300543728402436449212549285128249283934446167184380267987009835758420974671485515575732516927940809532887906351638240641<245>] |