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Three Power Verification (Posted on 2016-01-20) Difficulty: 3 of 5
M is a positive integer such that 4M + 2M +1 is a prime number.

Can there be any instance where M is not a power of 3?

Give reasons for your answer.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Proved in 1978Brian Smith2016-01-21 11:01:09
re(2): Solutionbroll2016-01-21 09:21:05
re: SolutionJer2016-01-21 07:49:36
Solutionbroll2016-01-20 22:28:29
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