Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 353: | \[{9^{353}-1\over8}\] | 116491 × 509027 × 25005109 × 9173204143<10> × 4088777503007<13> × 19837490976257099878271241610596583<35> × 1251451428959580695411321283842340592913949189554882420257618396482296394231885614537986240500290830336982977471<112> × 637438988132166262617141124175522937058461420664876184853243951510526572254771304187233297219026449409899910981267893129258980950384337454306503948949<150> |