Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 646: | \[{10^{646}-1\over9}\] | 11 × 103 × 647 × 4013 × 108529 × 738379 × 2071723 × 5363222357<10> × 21993833369<11> × 1644353478367<13> × 851908127328669427<18> × 909090909090909091<18> × 1111111111111111111<19> × 1078893279821424911891<22> × 1000889286725563474405662045911093540900908710082344227506919162972107<70> × 2024740873938190513425266673474911634048354422503451267887726938473483<70> × 298705372736554351789156294144090138390916509553983003911433879637774413<72> × 521307840861183044621465828930833475823959827582928597186555092762451665440276179272690132481999612478878577364291352712899662081493<132> × 40035620418199159948776350763252140477472791476548845372200559635028684381015278952822428460800436345936412694554672982482829838608416302164821877697601124434554975414863<170> |