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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)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionAnswer and proofMath Man2011-09-22 21:50:22
re: heuristic computer exploration -- no proofCharlie2011-09-22 21:38:05
Possible solutionbroll2011-09-22 21:21:03
SolutionanswerDej Mar2011-09-22 15:53:59
Solutionheuristic computer exploration -- no proofCharlie2011-09-22 15:21:02
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