Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 319: | \[{7^{319}-1\over6}\] | 59 × 1123 × 35729 × 293459 × 127540261 × 71316922984999<14> × 204227297293529257125127118080380016745365752943272818676346275973633953383050572371<84> × 49816104464889600168498799876025423000639222348836838087025328103613320809499431829645715371925884715984495732591189132255294855389354224164481123339<149> |