Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 349: | \[{7^{349}-1\over6}\] | 81667 × 127037 × 7291309 × 29320685133749<14> × 91161291484807478873801<23> × 18284716149059665426389383<26> × 2258039418211166054470067466217161065944246913<46> × 173571355113682038289151154505686208222949207532986971571024393109285997918142169884256690965096374305928614415797715241567612353017273148435435299210139139752051309768121<171> |