A number n is a prime factor of 28 and 63

Hgyxbll asked Nov 5, 2022

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Hgyxbll asked Nov 5, 2022

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21 votes

Answer:

Explanation:

The factors of 28 and 63 are

28 : 1, 2, 4, 7, 14, 28

63 : 1, 3, 7, 9, 21, 63

The common factors are 1 and 7

7 is a prime factor of both 28 and 63

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