Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 450: | \[{7^{450}-1\over6}\] | 23 × 32 × 11 × 19 × 31 × 37 × 43 × 151 × 191 × 541 × 1063 × 1801 × 2551 × 2801 × 8101 × 29251 × 117307 × 154351 × 159871 × 295831 × 6568801 × 7777981 × 1527007411 × 1708445701 × 125096112091<12> × 6005492312551<13> × 31280679788951<14> × 79787519018560501<17> × 7021370289199888801<19> × 121257418374086998051<21> × 142845016408087602151<21> × 1083803739493312667701<22> × 217648180992721729506406538251<30> × 20297781182169478546946347835701<32> × 7576490887465361330520148519214716951<37> × 925625585287174365941564556695970001749728268007544930851<57> |