tables > repunit > 7

Base 7 Repunits

Table

Viewing: 247 – 247 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

247: \[{7^{247}-1\over6}\] 419 × 6917 × 16148168401<11> × 22931541257<11> × 4534166740403<13> × 14975869588530371<17> × 125454655753267202797365863162986582917855663926667180423229018480120592386726440386935056325241516674585560762753600602473851644992274401607378216198999<153>

Index range: 247 – 247 << prev next >>