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  3. What are the common factors of 7 and 42?1,7Remember that common factors are all

What are the common factors of 7 and 42?1,7Remember that common factors are all

游客2024-01-12  70
问题 What are the common factors of 7 and 42?
选项
答案 1,7
解析 Remember that common factors are all of the factors that two or more numbers share. The factors of 7 are 1 and 7 because 7 is a prime number. The factors of 42 include 1(42 × 1 = 42)and 7(6 × 7 = 42), so the common factors of 7 and 42 are 1 and 7.
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