Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 433: | \[{8^{433}-1\over7}\] | 93529 × 12220578919<11> × 184466950111<12> × 2143492370401<13> × 22086765417396827057<20> × 737748363812546584876297<24> × 5028667832511715101284999<25> × 138656761760615247768856163952417631<36> × 270704078857734344240200528055897595961633472511075822112527121<63> × 22021050336471256963500420875119165489037985298334501442432667521208159<71> × 50935496244591917263062788490593411548375518266604052988809830852198091331212574963984969118236331566631645056717479<116> |