Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 186: | \[{19^{186}-1\over18}\] | 22 × 3 × 5 × 73 × 127 × 1303 × 12489157 × 37537033 × 1503075053 × 5313524497<10> × 3640352510713<13> × 14345411368517<14> × 10154018739210331<17> × 243270318891483838103593381595151809701<39> × 943643945871172104614541733542770897060557018522360987<54> × 252322311240290935481740395615054925529652499675304653560001<60> |