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Is the integer part of the sum of the square roots of all natural numbers from 1 to 1007 inclusive prime or composite? Need some help on this one and thank you.

 Aug 22, 2018

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 ∑(n, 1, 1007, sqrt(n))=21 319.2574907101 
So, 21,319 is a prime number!

 Aug 22, 2018
 #1
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Best Answer

 ∑(n, 1, 1007, sqrt(n))=21 319.2574907101 
So, 21,319 is a prime number!

Guest Aug 22, 2018

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