Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 105: | \[{19^{105}-1\over18}\] | 3 × 31 × 71 × 127 × 151 × 211 × 701 × 911 × 70841 × 116131 × 2460181 × 30640261 × 41888491 × 68443621 × 65365284260571112024359304391<29> × 5206520255936910609072540845913496243195666334401<49> |