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AIME 2024 / AIME 2024 train fdb72a89-60e5-5803-998a-5d2111009a54
Problem
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Problem
Let be the greatest four-digit positive integer with the property that whenever one of its digits is changed to , the resulting number is divisible by . Let and be the quotient and remainder, respectively, when is divided by . Find .
Plain-text mathematical notation (without MathML)
Let N be the greatest four-digit positive integer with the property that whenever one of its digits is changed to 1, the resulting number is divisible by 7. Let Q and R be the quotient and remainder, respectively, when N is divided by 1000. Find Q+R.
Original LaTeX notation
Let $N$ be the greatest four-digit positive integer with the property that whenever one of its digits is changed to $1$, the resulting number is divisible by $7$. Let $Q$ and $R$ be the quotient and remainder, respectively, when $N$ is divided by $1000$. Find $Q+R$.
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