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In Mathematics / Middle School | 2014-10-27

What is the greatest common factor (GCF) of 21, 42, and 63?

Asked by mono30

Answer (2)

Ther gcf of 21, 42, and 63 is 21

Answered by catluva03 | 2024-06-10

7... if you list the factors of all 3 of this number... you will see 7 is the common factor... because: 7x3=21 7x6=42 7x9= 63

Answered by Sikha | 2024-06-10

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