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Power and Divisibility Puzzle (Posted on 2015-08-12) |
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Determine the total number of positive integer values of N < 20150 such that:
2N - N2 is divisible by 17
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Submitted by K Sengupta
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Solution:
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The required total number of positive integer values of N in consonance with the given conditions is 2371
For an explanation:
- Refer to the analytic solution submitted by Jer in this location.
- Refer to the computer assisted solution submitted by Charlie in this location.
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