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A number n is a prime factor of 28 and 63

A number n is a prime factor of 28 and 63
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A number n is a prime factor of 28 and 63

User DinoStray
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1 Answer

3 votes

Answer:

7

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

User Emperorlou
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