Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 190: | \[{19^{190}-1\over18}\] | 22 × 52 × 11 × 151 × 191 × 911 × 1901 × 2251 × 3041 × 4561 × 108301 × 1049219 × 708205621 × 57323802181<11> × 108417380671<12> × 294798968801<12> × 870542161121<12> × 7286684886814811<16> × 109912203092239643840221<24> × 4940562648581306995866811<25> × 58586321603695857848685588254120444000338059307507557951422037179294963122412142809939381<89> |