Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
60: | \[{7^{60}-1\over6}\] | 24 × 3 × 53 × 11 × 13 × 19 × 31 × 43 × 61 × 181 × 191 × 281 × 2801 × 4021 × 159871 × 6568801 × 555915824341<12> |