Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 230: | \[{7^{230}-1\over6}\] | 23 × 11 × 47 × 191 × 1151 × 2801 × 3083 × 188831 × 1207501 × 1446701 × 100429501 × 723461377501<12> × 31479823396757<14> × 3421093417510114543<19> × 27229507836853201541<20> × 32338809757665390121614112981<29> × 2202139489915078600357637697953297050113840051292971217537801<61> |