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user9934
  • Member for 14 years, 2 months
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How do you calculate/prove the length of n, the number of non-repeating digits preceeding a periodic sequence of a fractional repeating decimal
So stated another way, the number of non-repeating decimals is equal to the number of times the denominator is divisible by either 5 or 2. For example, 1/12, 12 is divisible by 2, 2 times, and there are 2 non-repeating digits. 1/96, 96 is divisible by 2 - 5 times... Do you recommend a good number theory book that explains this in more depth? Thank you Nick!
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