Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 147: | \[{19^{147}-1\over18}\] | 3 × 127 × 701 × 70841 × 30640261 × 68443621 × 167291881 × 51326794793<11> × 59406262713432872236099181572519757<35> × 95725327355551577089495396063973106141742567489771<50> × 2718163768921557854823830974615717044425953186011638275291<58> |