Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 252: | \[{19^{252}-1\over18}\] | 23 × 32 × 5 × 74 × 132 × 29 × 37 × 432 × 73 × 109 × 127 × 181 × 197 × 199 × 523 × 701 × 769 × 5237 × 29989 × 35533 × 70841 × 211573 × 226871 × 236377 × 343393 × 524119 × 1146097 × 2141413 × 30640261 × 68443621 × 204396571 × 1301151937 × 14533200697<11> × 15568640961301<14> × 21095068697641<14> × 1763028507911581<16> × 68338204247969587<17> × 5505240045504667609<19> × 776346820967879573833<21> × 513907987925996378410396566096001<33> × 1196770674042511765214426624766837038362667864719925797<55> |