Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 470: | \[{10^{470}-1\over9}\] | 11 × 41 × 271 × 5641 × 6299 × 9091 × 20681 × 21997411 × 35121409 × 518203357921<12> × 4855067598095567<16> × 190893195970004711<18> × 1589908647339072250321<22> × 297262705009139006771611927<27> × 316362908763458525001406154038726382279<39> × 605431706028029946531059199512572282414786250085768871<54> × 94518941227657738924275388203289075281658118450062185929972854243729690463660471<80> × 4286364887150220673583225059177107721806065475972215552125258086068959357115762795701840175683004019170941959169708082929486830943679876008361716880663960188314299305481<169> |