Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 316: | \[{19^{316}-1\over18}\] | 23 × 5 × 181 × 317 × 10429 × 32233 × 1380763 × 25871039291<11> × 12577647923565067982570531255067267090413921105116610018487966576192735681081030635731<86> × 203090965417343967234510740564907491170112944764853353979303474725263072588745170188844849<90> × 96227924282329439355464789348826013678942050215467261662027235744833104852196201484912032624728443410053861054290289999912116851595242247546838267709022373277315230064428509346012914093179220514573<197> |