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Duodecimal Digits (Posted on 2011-09-22) Difficulty: 2 of 5
Determine the possible nonzero units digits of a duodecimal positive integer n such that:

Each of n and n+2 is a prime number, and:

n+2 is expressible as the sum of squares of two positive itegers.

See The Solution Submitted by K Sengupta    
Rating: 4.5000 (2 votes)

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Solution answer | Comment 2 of 5 |
Charile's program provides the same result (and more) as I did by hand. Again, no proof, but I will concur with his generated results.  n will be either 3 or B.
  Posted by Dej Mar on 2011-09-22 15:53:59
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