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A square pairing (Posted on 2017-11-29) Difficulty: 3 of 5
Let us pair the squares of the numbers 1 to n with the squares of the numbers n+1 to 2n such that each pair sums up to a prime.

1. Demonstrate that it is not possible for n1=3, n2=?(find out) and n3=??(find out)
2. For what value of n there are exactly 2 ways to perform the task?

Hint: all answers are below 15

See The Solution Submitted by Ady TZIDON    
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  Subject Author Date
Solutioncomputer solutionCharlie2017-11-29 13:31:55
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