Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 341: | \[{7^{341}-1\over6}\] | 311 × 1123 × 21143 × 293459 × 1594517 × 2665939 × 51216931087169<14> × 2538309587015599<16> × 3999088279399464409<19> × 13422653085156210083<20> × 3910113330364748702986125261696806854391353532151162400136417060531975413738408305341673597960503361963490057454150058763396921766681272848553758435295770134634014897207401577682282656474563451<193> |