Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 504: | \[{31^{504}-1\over30}\] | 27 × 32 × 73 × 13 × 19 × 29 × 37 × 43 × 73 × 113 × 127 × 211 × 331 × 409 × 577 × 1129 × 2143 × 3637 × 6301 × 7253 × 11971 × 13469 × 70309 × 71821 × 81343 × 241921 × 922561 × 1536553 × 1538083 × 4683817 × 7894153 × 163598989 × 277739477 × 337886977 × 917087137 × 75077698123<11> × 512616735577<12> × 852890113921<12> × 2813432694367<13> × 4038949965541<13> × 36004683284137<14> × 45376431752737<14> × 550469850411853<15> × 939903457569889<15> × 37323324288470557<17> × 1652484831253806817<19> × 3041204060704443103<19> × 152490484148901066281<21> × 1814503763676130449408979921<28> × 728921581954037396189325850537700569<36> × 13411579116261593044340941865967010577593<41> × 477069577207946543297636721665148435540337565749981<51> × 1139174673410619194105634164045563117625339372157650642879811073<64> × 29861031369016684223088589471329985806570612657356625459945676329647376667526610245702193163587257879917497687015258518321379361752236010920436946337172594829750748469382914759060381896797734408170784697<203> |