Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 555: | \[{3^{555}-1\over2}\] | 112 × 13 × 2221 × 4561 × 17761 × 35521 × 146891 × 13097927 × 18702169 × 119779213 × 228082801 × 17189128703<11> × 49804972211<11> × 87841814842081<14> × 3867972842907961<16> × 1654235911196704741<19> × 6962353413269964253<19> × 2802413728088191273163920691908084325126644440764112648781<58> × 34183431467734971387268820282992063280392406850291420377543690221<65> |