What is the largest 7-digit number that is divisible by 249, but not divisible by 5?
Thus 9999840 is a multiple of both 249 and 5. Both adding and subtracting 249 to or from this number will produce a multiple of 249 that's not a multiple of 5. The addition would give a number with more than 7 digits, so the answer sought results from a subtraction of 249, being
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