Discussion
The number 23473 is to be divided by 7. What is the remainder?
Answer: B
To find the remainder, we can perform long division.
\(23 \div 7 = 3\) with a remainder of 2. Carry over 2.
\(24 \div 7 = 3\) with a remainder of 3. Carry over 3.
\(37 \div 7 = 5\) with a remainder of 2. Carry over 2.
\(23 \div 7 = 3\) with a remainder of 2.
The final remainder is 2. Alternatively, \(23473 = 21000 + 2100 + 350 + 21 + 2\). All terms except the last one are divisible by 7. So the remainder is 2.
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