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What is gcf of 21 42 and 63

What is gcf of 21 42 and 63
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What is gcf of 21 42 and 63

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User Shelwien
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2 Answers

4 votes
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
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User Tarnfeld
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8.3k points
6 votes
Ther gcf of 21, 42, and 63 is 21
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User Fatmajk
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