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sauravshakya

  • 3 years ago

Is there any more than 5 digit prime number which has all the digits same.

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  1. lgbasallote
    • 3 years ago
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    if all the digits are the same....then it's divisible by that number, yes? like 666666 is divisible by 6....

  2. lgbasallote
    • 3 years ago
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    so then...the only number left would be if the digits were 1s....like 11111 although it's divisible by 1, it doesn't matter...

  3. lgbasallote
    • 3 years ago
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    it's divisible though...

  4. mukushla
    • 3 years ago
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    \[11...111\]19 times is prime

  5. mukushla
    • 3 years ago
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    http://en.wikipedia.org/wiki/Repunit

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