Discussion
What is the remainder when 8! is divided by 7?
Answer: A
\( 8! = 1 \times 2 \times \cdots \times 8 \) includes 7 as a factor, so it is a multiple of 7.
\[ \text{remainder} = 0 \]
Every factorial from \( 7! \) onward is divisible by 7 for the same reason.
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