Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 243: | \[{17^{243}-1\over16}\] | 19 × 307 × 433 × 24733 × 1270657 × 6770748529<10> × 454194717025663<15> × 1313154695584063<16> × 904405077653173242898527606595551272070589<42> × [21514203056031250170958548164957900044739416772087448373919373822932566180480136753540140623286841600688084440721049530654019520142427888103760314496528320340667616266062217973748401099363821604448307<200>] |