Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 682: | \[{7^{682}-1\over6}\] | 23 × 23 × 311 × 373 × 683 × 1123 × 21143 × 293459 × 1594517 × 2665939 × 9754399 × 10746341 × 51216931087169<14> × 2538309587015599<16> × 5420506947192709<16> × 3999088279399464409<19> × 13422653085156210083<20> × 139319098254023721793<21> × 12228833210846956506947<23> × 700835043646611008523138432076310934179329738117395156397693212685115499077<75> × 47421115003715163663927197304118181948062454281548708452415891290904585020318305592353525288816649197623824397622570302822064505398109<134> × 3910113330364748702986125261696806854391353532151162400136417060531975413738408305341673597960503361963490057454150058763396921766681272848553758435295770134634014897207401577682282656474563451<193> |