tables > repunit > 20

Base 20 Repunits

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

726: \[{20^{726}-1\over19}\] 32 × 7 × 23 × 67 × 127 × 421 × 661 × 727 × 859 × 38149 × 740521 × 3049927 × 47313421 × 149810827 × 10066084381<11> × 257277256721<12> × 424016563147<12> × 2431995161971<13> × 10778947368421<14> × 14121717629581<14> × 343040240510243<15> × 380025140666029<15> × 90903843289299418643<20> × 175462044485240500219<21> × 2934218191523614766904837806521<31> × 117785429532952193849308542048142496391181<42> × 318566467273372184139893768342912300044637532496827887<54> × 207460499909279296762540583487933439637201905299100245238682598870759408878141960495778332780218147735503696620877792011<120> × 15111038509191729633185659817260464367337252414047989002169822646065841401264968129171752184618971076116944780015593923301687388936436210490205753608258112874361259465846265718000293527354833022165430919877909150610008376223503079491096771789<242> × 48665335045661581038116980919295760826290449722974056989709678152363471040436997931863569206868723293204826726685241012447535126192584386405758653408067938915423421291267321851331513678831692871837292510449516994710748423801934743356682717436668981060882670110298463<266>

Index range: 726 – 726 << prev next >>