Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
170: | \[{7^{170}-1\over6}\] | 23 × 11 × 191 × 1531 × 2801 × 4931 × 14009 × 2767631689 × 29078814248401<14> × 1590988506392861<16> × 876140237882650743181330518048784908341<39> × 138497973518827432485604572537024087153816681041<48> |