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repetend SUBST MATH

repetend

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Adding up the sums of divisors for 1 through 7 yields 41. 41 is the smallest integer whose reciprocal has a 5-digit repetend. en.wikipedia.org

The infinitely-repeated digit sequence is called the repetend or reptend. en.wikipedia.org

The length of the repetend (period of the repeating decimal) of 1/ "p" is equal to the order of 10 modulo "p". en.wikipedia.org

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