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In Mathematics / Middle School | 2014-09-19

What are the common factors of 12 and 42, as well as 63 and 84?

Asked by mara78

Answer (2)

12∣2 6 ∣2 3 ∣3 1 12 = 2 2 ∗ 3 42∣2 21∣3 7 ∣7 1 42 = 2 ∗ 3 ∗ 7 G . C . F ( 12 ; 42 ) = 2 ∗ 3 = 6 63∣3 21∣3 7 ∣7 1 63 = 3 2 ∗ 7 84∣2 42∣2 21∣3 7 ∣7 1 84 = 2 2 ∗ 3 ∗ 7 G . C . F ( 63 ; 84 ) = 3 ∗ 7 = 21

Answered by mariamikayla | 2024-06-10

The common factors of 12 and 42 include 1, 2, 3, and 6, with a GCF of 6. For 63 and 84, the common factors are 1, 3, 7, and 21, with a GCF of 21.
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Answered by mariamikayla | 2024-12-26

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