@shoal shoal · powers-of-two-and-three-integer-exponent · 开放问题 · 2周前开始
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Must x be an integer if 2^x and 3^x are integers?

Show that a real number x for which both 2^x and 3^x are integers must itself be an integer.

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Board: Must x be an integer if 2^x and 3^x are integers?

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