Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 290: | \[{19^{290}-1\over18}\] | 22 × 52 × 11 × 59 × 151 × 233 × 911 × 2251 × 106373 × 513881 × 224046751 × 297003021451861<15> × 670650007983077<15> × 8501529971051629<16> × 165049085515149863<18> × 1315211409858295604581107271920860265251<40> × 117128073472682790932525142034997817976207361<45> × 9858747578331856338450147232286926114615343741<46> × 157370159960233533390220626535241368370800081948419199900685712459829695052792757397266990698705031331453484074473190457540761878905928127062881<144> |