Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 160: | \[{17^{160}-1\over16}\] | 25 × 32 × 52 × 11 × 29 × 41 × 71 × 101 × 241 × 257 × 3361 × 18913 × 21881 × 41761 × 63541 × 88741 × 184417 × 1801601 × 2033441 × 3583912721 × 52548582913<11> × 1186844128302568601<19> × 2741517463686662290741112321<28> × 820409876177580333204687948734536192222058078513595174704765137447361<69> |