Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 592: | \[{15^{592}-1\over14}\] | 27 × 17 × 113 × 149 × 223 × 593 × 1489 × 1777 × 4441 × 7121 × 179953 × 3052649 × 32217011 × 137995201 × 5928049943<10> × 2474070455887<13> × 5221464598239361<16> × 29645965890637091<17> × 52987400285765657<17> × 582492120825067581276282544339<30> × 16882057614458789568659053197037<32> × 35633663309671050205838163789123961<35> × 1048356753424085853191564379861823276529<40> × 790740515080686549571624870372251292920742662291628160056576539409<66> × 9428049697013105994262869021832804987303493262811165189526829357153920818133439689327399438985161<97> × [385860001478376304036803173763344958038639240183571782075009793630353844099854422440687032546607372343743979288571405015600478139598669746899022086787221069773767312823935755252695777389140815403393661554155565367618981822764168545368607805101604208959091781310995940196577<273>] |