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63 = 3x3x7

84 = 2x2x3x7

126 = 2x3x3x7

GCF = 2x2x3x3x7

= 252

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Wiki User

12y ago

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More answers

2 x 3 x 3 x 3 = 54

2 x 2 x 3 x 7 = 84

2 x 3 = 6, the GCF

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Wiki User

10y ago
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2 x 2 x 2 x 3 x 3 = 72

2 x 2 x 3 x 7 = 84

2 x 2 x 3 = 12, the GCF

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Wiki User

7y ago
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The GCF of 84, 63 and 42 is 21.

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Wiki User

9y ago
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The GCF is 21.

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Wiki User

9y ago
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The GCF is 21.

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Wiki User

9y ago
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GCF(84, 63, 42)= 7

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Wiki User

12y ago
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It is: 21

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Wiki User

7y ago
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Q: What is the GCF for 63 84 and 126?
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