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sauravshakya
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Is there any more than 5 digit prime number which has all the digits same.
 one year ago
 one year ago
sauravshakya Group Title
Is there any more than 5 digit prime number which has all the digits same.
 one year ago
 one year ago

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lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
if all the digits are the same....then it's divisible by that number, yes? like 666666 is divisible by 6....
 one year ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
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...
 one year ago

lgbasallote Group TitleBest ResponseYou've already chosen the best response.2
it's divisible though...
 one year ago

mukushla Group TitleBest ResponseYou've already chosen the best response.0
\[11...111\]19 times is prime
 one year ago

mukushla Group TitleBest ResponseYou've already chosen the best response.0
http://en.wikipedia.org/wiki/Repunit
 one year ago
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