Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 246: | \[{17^{246}-1\over16}\] | 2 × 33 × 7 × 13 × 83 × 307 × 1231 × 31981 × 188437 × 892079 × 13365673 × 62919257 × 236653231 × 18798033503<11> × 76203249126187<14> × 140606605811723<15> × 960217114820653<15> × 18469031047049514697<20> × 19758253332426413381871517<26> × 68985600109554787200688819419812904447395655170097140286323038827169<68> × 38163168808401611178789325681875640649259785376869747915110308560228374366363906318891<86> |