Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 311: | \[{9^{311}-1\over8}\] | 1867 × 3733 × 14929 × 365446771 × 12460588823<11> × 18359463907<11> × 79080104083<11> × 873069502041694941443<21> × 2241207330424850668586082361185081412667449<43> × 99816016210593432266172090369897690938944158421<47> × 4106989580076626704169441713585338241705649645280062323467630079<64> × 133214903610334121745028373807408359032562882470844866249400730761994821<72> |