Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 567: | \[{15^{567}-1\over14}\] | 7 × 43 × 109 × 127 × 163 × 241 × 541 × 883 × 2647 × 21061 × 123229 × 399043 × 1743463 × 16354441 × 829049498029<12> × 1470374630929<13> × 2817034275427<13> × 269297040407347<15> × 15105332280488398974794287<26> × 19944576115520464846832773603324107169<38> × 13066129040138332937552963634251565937097327408254876994777161<62> × 19803428495911816157659521610469429585428513632230232098351227<62> × [1131274333848157060369197331229870181441206004299597561890941584053232202435469933310441920776928325520490883695873187965234996854811671530837403832580845345274075801112366273001911212933034360406477203702454499581193716162374974640717921479416128205463987619758696114512828222528342942551334625861581949193763812417177297352918905869534143236732059932620455040693283081054687500001<382>] |