Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 174: | \[{7^{174}-1\over6}\] | 23 × 3 × 19 × 43 × 59 × 127540261 × 2576743207 × 5406066031<10> × 71316922984999<14> × 196915704073465747<18> × 1284564941030772067<19> × 34720058992462423813<20> × 358475907408445923469<21> × 402488219476647465854701<24> |