Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[{13^{165}-1\over12}\] | 3 × 23 × 61 × 419 × 859 × 2861 × 4651 × 18041 × 30941 × 161971 × 13545148572117361<17> × 17551032119981679046729<23> × 8603427927040724342317061<25> × 3386047926964307416018724773840321<34> × 41719423553404081179502042048639507844148512359384884961<56> |