Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 580: | \[{19^{580}-1\over18}\] | 23 × 52 × 11 × 59 × 151 × 181 × 233 × 911 × 929 × 2251 × 4409 × 106373 × 513881 × 3403441 × 103114489 × 224046751 × 16936647121<11> × 22716352849<11> × 7876159445929<13> × 297003021451861<15> × 670650007983077<15> × 8501529971051629<16> × 165049085515149863<18> × 5378630034626470638199677319443049<34> × 1315211409858295604581107271920860265251<40> × 117128073472682790932525142034997817976207361<45> × 9858747578331856338450147232286926114615343741<46> × 157370159960233533390220626535241368370800081948419199900685712459829695052792757397266990698705031331453484074473190457540761878905928127062881<144> × [8129985213602456991841984883519655484500564028442299851092342544465940074248731420623328489220383794500372751791857133093152472705643386477032804358644374109489054500005170534898756081039907271545128562810280472839371473238822262612230400223966498679468594726762757953514399867921<280>] |