Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 270: | \[{7^{270}-1\over6}\] | 23 × 33 × 11 × 19 × 31 × 37 × 43 × 109 × 191 × 271 × 541 × 811 × 1063 × 2377 × 2801 × 117307 × 154351 × 159871 × 185221 × 295831 × 2583253 × 6568801 × 7777981 × 40724371 × 1527007411 × 17796529171<11> × 125096112091<12> × 1628413557556843<16> × 175561876921802311<18> × 797937984757981841530188510084780901<36> × 9702177054167026087524587559070266823314361<43> |