Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 670: | \[{9^{670}-1\over8}\] | 2 × 52 × 112 × 61 × 269 × 1181 × 1609 × 1877 × 6701 × 11257 × 24121 × 221101 × 2313511 × 5390821 × 9477821 × 20391451 × 230023061 × 50546266229<11> × 441019876741<12> × 475384700124973<15> × 719571227339189<15> × 2791110259168381<16> × 1551109145231525881<19> × 2583985068397606535128513<25> × 4299412981246169975118907<25> × 2534887499024571619185055366645975533101<40> × 16550242918542985579947359198714731038177262225517957599825301823481939178900396192547493300141<95> × 218742867755426762311941219108310088458792042613637623789553431857170623561390378292171945441992861442756206821<111> × 1034663505051869097721510422325095660780477554482096773948350048651990055110234991419214433528753296542643176531646002735075589827914690538745024544831604665665450010752269861712801853932481<190> |