Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 289: | \[{15^{289}-1\over14}\] | 6359 × 1045002649 × 3766422557 × 6734509609<10> × 380565720179<12> × 170787137404282411722835876315341100679<39> × [50654702668684847276415789606143165530787563791049937279197916063865444934442010627283062413615604559916765490603286023267165761782772104890923975059598836203765695801955462312784997226176570954588335126620709982056539193150995667857542488836728614989770647<257>] |