Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 201: | \[{15^{201}-1\over14}\] | 241 × 33769 × 166429 × 4954919 × 2628501058611905652954840361379<31> × 1099333631607853670681822300142667<34> × 34454155184954549865168924228785385728941<41> × 26505436009265712546628947089810860701136015735956809509580382038423636574551754642697799959511164680848492141383<113> |