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The GCF of 84 and 156 is 12.

First, find the prime factors:
84 = 2*2*3*7
156 = 2*2*3*13

Then, to determine the gcf, multiply the shared prime factors:
GCF = 2*2*3 = 12

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9y ago

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14y ago

GCF for 84 and 156 is 12.

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Q: What is the GCF of 84 and 156?
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