Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 348: | \[{7^{348}-1\over6}\] | 24 × 3 × 52 × 13 × 19 × 43 × 59 × 181 × 233 × 349 × 127540261 × 136853089 × 2576743207 × 5406066031<10> × 55716067510309<14> × 71316922984999<14> × 196915704073465747<18> × 1284564941030772067<19> × 34720058992462423813<20> × 358475907408445923469<21> × 116714640028973541741413<24> × 402488219476647465854701<24> × 77216590050964983143652251131561<32> × 1695175506356910751655213041953518825530180538746045824494509<61> |