Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
100: | \[{19^{100}-1\over18}\] | 23 × 53 × 11 × 101 × 151 × 181 × 911 × 1601 × 2251 × 6451 × 79151 × 127051 × 16936647121<11> × 675303194549101<15> × 747596648084101<15> × 36035657195482151<17> × 590165627314172101<18> × 3545449651653764401<19> |