Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 259: | \[{19^{259}-1\over18}\] | 149 × 701 × 70841 × 30677078033071<14> × 3588174588084451<16> × 907979318934347855693<21> × 24002057009698854500891<23> × 21406757809476033811281103559<29> × 2302280842748901237333726501219524135161570545854482798900215797954838944577274775612716752142928354277468007497304088278657955229283168533237630376759696421607675304234479150102880428802274978642459626400014101317874817<220> |