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How many ten digit numbers are prime and what are they?

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It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten digit numbers.

But I also knows how many of these numbers are prime, Do you ?

posted Oct 20, 2015 by Varuna Magar

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1 Answer

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The summation of numbers from 0 to 9 is 45 and can be divisible by 3 and 9.

answer Feb 14, 2018 by Yasin Hossain Siinan

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