Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 245: | \[{7^{245}-1\over6}\] | 29 × 2801 × 3529 × 4733 × 1074473 × 13473433 × 2127431041 × 4896864001<10> × 9152363081<10> × 77192844961<11> × 11492120512321<14> × 6106505825833677713<19> × 353207957997402826578121<24> × 52070081841475904567260997685175416097683265543655928045420233374044085650782246643281<86> |