Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 850: | \[{7^{850}-1\over6}\] | 23 × 11 × 191 × 1531 × 2551 × 2801 × 4931 × 14009 × 357244801 × 2767631689 × 29078814248401<14> × 31280679788951<14> × 543601409520401<15> × 1590988506392861<16> × 34353499830367901<17> × 79787519018560501<17> × 6269759010776190508301<22> × 6175607140671472910167602851<28> × 876140237882650743181330518048784908341<39> × 138497973518827432485604572537024087153816681041<48> × 41555785575407105361381793070162504382671493178243031411478608191007169449419595904288803966251<95> × 4237224436988202702160767137463147979893704350812067297420838533369371872259275469075313496785324410332613451<109> × 16456405735882180568969507011978043354522856475860351869545386665769974239284032451213702510068769327884306736901<113> × 9739791669887608650249505393513236638635583018941599050602010118232635715622023185075375131319815149687202272744336848609124112174991151<136> |