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45 = 3 * 3 * 5

63 = 3 * 3 * 7

126 = 2 * 3 * 3 * 7

Gcf = 3 * 3 = 9

45/9 = 5

63 / 9 = 7

126 / 9 = 14

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15y ago
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Q: What is the GCF of 45 63 126?
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