tables > repunit > base7

Base 7 Repunits

Table

Viewing: 491 – 491 << prev next >>

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

* 491: \[{7^{491}-1\over6}\] 983 × 696239 × 6644251020606657127<19> × [321535182299637154328168138829462205181230874550744363777171438812599768071665148668547220346421953092484461361227318015612180761617948016482258494760010318773883295420389135047813866158859216721438800787212045801489154869315059135599535036244004265824050214998846508292666820460814231919703894610479029773046436139278072279807695955982778874790164149772580530702955426746445808796207543<387>]

Index range: 491 – 491 << prev next >>