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| P,Sq,P (Posted on 2014-07-21) |
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How many integer squares are "sandwiched" between 2 prime numbers?
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Submitted by Ady TZIDON
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Solution:
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(n^2 - 1) =(n-1)(n+1) cannoy be a prime unless
n = 2.
So the answer is: only one case i.e. 3,4,5. |
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