Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 455: | \[{7^{455}-1\over6}\] | 29 × 131 × 2801 × 4733 × 20021 × 120121 × 157951 × 787021 × 2127431041 × 7304123737<10> × 16148168401<11> × 77192844961<11> × 4446437759531<13> × 75424554561721<14> × 434502978835771<15> × 231410451435538144122809<24> × 3565837331172073232378945297<28> × 48713386015453226641600981294223479961<38> × 38416564453408686445856152010711164367101<41> × 337216268194030544089834139589137395452143104139960779793261224441<66> × 24915128253083884658950362985882612618805807926716028207705318719105953809441<77> |