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To find the GCF of any two numbers, you need to figure out what numbers each have in common, then you choose the largest one that each have in common as the GCF. In this case: 15: 1, 3, 5, 15...then you have 22: 1, 2, 11...Not really much in common except the number 1; that is your GCF in this case. Good luck!

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Q: How do you find the GCF of 15 and 22?

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The GCF of 12 15 and 22 is 1.

The GCF is: 1

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By noticing that 22 is a factor of 44 and therefore automatically the GCF of this problem.

You need at least two numbers to find a GCF. IF that's 15 and 45, the GCF is 15.

22

22 is a factor of 110. 110 is a multiple of 22. That means that 22 is the GCF and 110 is the LCM of those two numbers.

The GCF is 1.

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