Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 445: | \[{7^{445}-1\over6}\] | 2801 × 1805633 × 10924751 × 3612821501 × 16850251787024593038901<23> × 18489605314740987765913<23> × 384276490074557683474810649698324621931592661<45> × 8166146875847876762859119015147004762656450569<46> × 10001862369890836391872922875426839523466440568186361833602832419887658638183557692810526856485737893245488932503538076676583525819272537024366320768425546325611904901695287885521641617503043278888887966572834660691<215> |