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| Prime square with distinct digits (Posted on 2009-05-30) |
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Determine the maximum value of a positive prime N, such that none of the digits in the base ten representation of N2 occur more than once.
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Submitted by K Sengupta
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Rating: 5.0000 (1 votes)
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Solution:
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(Hide)
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The required maximum value of N is 21397 which gives N2 of 457831609.
For an explanation refer to the respective solutions submitted by Daniel in this location and by Charlie in this location.
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