Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 135: | \[{7^{135}-1\over6}\] | 33 × 19 × 31 × 37 × 109 × 271 × 811 × 1063 × 2377 × 2801 × 159871 × 185221 × 2583253 × 1527007411 × 125096112091<12> × 175561876921802311<18> × 797937984757981841530188510084780901<36> |