Question

Common factors of 28,30 and 42​

Answer 1

Answer:

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Step-by-step explanation:

GCF of 28 and 42 by Prime Factorization

Prime factorization of 28 and 42 is (2 × 2 × 7) and (2 × 3 × 7) respectively. As visible, 28 and 42 have common prime factors. Hence, the GCF of 28 and 42 is 2 × 7 = 14.

Answer 2

Answer:

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Step-by-step explanation:

There are 4 common factors of 28 and 42, that are 1, 2, 14, and 7. Therefore, the greatest common factor of 28 and 42 is 14.