Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 198: | \[{17^{198}-1\over16}\] | 2 × 34 × 7 × 13 × 19 × 23 × 67 × 199 × 307 × 947 × 991 × 1423 × 3697 × 5653 × 15643 × 48907 × 48973 × 976669 × 1270657 × 11372329 × 39172453 × 87415373 × 7298280793<10> × 53203926799<11> × 2141993519227<13> × 15814892288119<14> × 3534366624825269090846591317571377816092437915221<49> × 4292433991887349466521044989704970307204067840499615530568570035407283<70> |