2 years ago

Find the GCF of 6 and 21 A. 126 B. 21 C. 3 D. None of the above

Mathematics

2 answers:

vladimir2022 [97]2 years ago

6 0

Answer:

C. 3

Step-by-step explanation:

$6 = 2 \times 3 \\ \\ 21 = 3 \times 7 \\ \\ \because \: common \: factor = 3 \\ \\ \therefore \: gcf \: of \: 6 \: and \: 21 = 3$

Marat540 [252]2 years ago

4 0

Answer:

C. 3

Step-by-step explanation:

Prime Factorization of 6: 2 × 3

Prime Factorization of 21: 3 × 7

Common Factors of 6 and 21: 3

So the greatest common factor of 6 and 21 is 3, that is, GCF of 6 and 21 is 3.

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