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Niloy added three digit number to $523$ such that the new six digit number is divisible by $7,8,9$. What is the minimum value of the new three-digit number that he added?
Number Theory BdMO
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Niloy added three digit number to $523$ such that the new six digit number is divisible by $7,8,9$. What is the minimum value of the new three-digit number that he added?