Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 135: | \[{15^{135}-1\over14}\] | 11 × 61 × 109 × 181 × 241 × 541 × 4931 × 21061 × 16354441 × 39225301 × 238123801 × 829049498029<12> × 19702654674841<14> × 5105451444569239321<19> × 92978587355640205970336221<26> × 199163133217862162773842455856459620733246841<45> |