Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 318: | \[{7^{318}-1\over6}\] | 23 × 3 × 19 × 43 × 107 × 8269 × 32119 × 319591 × 1695259 × 345449549 × 35416476134069<14> × 58902316970027001503<20> × 305033517629290547304139<24> × 84247682063005850464952755729<29> × 3475913288653967871883271299609<31> × 8346555567469166005444679248640251<34> × 38904276017035188056372051839841219<35> × 1455329561052597138348454392994231780317942530389<49> |