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jmc

number theory junior

Problem

What is the smallest four-digit positive integer that is divisible by 47?
Solution
We divide 1000 by 47 and get a remainder of 13. Therefore, if we subtract 13 from 1000, we should get an integer divisible by 47. Since and 987 is divisible by 47, we can then add 47 to 987 to get the smallest four-digit integer that is divisible by 47, namely .
Final answer
1034