Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 469: | \[{7^{469}-1\over6}\] | 29 × 4733 × 228337 × 147300841 × 206244761 × 15985199842990109089<20> × 10052011757370829033540932021825161<35> × 111832529355653472032083233218250473549<39> × 21857040937137116227771055250916709687303643363547665324911797719517842874673084001951817136627628435173977354860450787024389336729418711566739213381708805554813246368743240197986954554016208041066491244688247181254328328417003748622169553826747732254780674762577009684356717109<278> |