Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 209: | \[{17^{209}-1\over16}\] | 229 × 1103 × 202607147 × 291973723 × 3259487507 × 2141993519227<13> × 2740628080763<13> × 101714440918855734893309<24> × 368813934001357701426439<24> × 5892040809118453528685168353<28> × 144218774977055607926894378375160064243140399362795662506022411549576468803137669688114671235039099932656683947443825194707363<126> |