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The GCF is 1.

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Q: What is the greatest common factor of 18 and 7 and 5?
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What is the greatest common factor of 90 and 216?

The greatest common factor of 90 and 216 is 18 90 = 2 * 32 * 5 216 = 23 * 33 greatest common factor = 2 * 32 = 2 * 9 = 18 90 / 18 = 5 216 / 18 = 12 because the greatest common factor of these is 1.


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The greatest Common Factor (GCF) of 18 and 75 is 3.


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Answer: 1 Since 5 is a prime number, the only possible common factors are 1 and 5. Because 18 is not divisible by 5, the only common factor, and thus the greatest common factor, is 1.


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The GCF of 5 9 and 18 is 1.


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The GCF is 1.


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What is the greatest common factor of 5 18 9 and 20?

The GCF is 1.


What is the greatest common factor of 10 and 5?

The factors of 5 are: 1, and 5The factors of 10 are: 1, 5, and 10The factors common to 5 and 10 are: 1, and 5The greatest common factor is 5.


What is greatest common factor of 15 25 and 30?

The greatest common factor (GCF) is: 5.


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The greatest common factor (GCF) is 5.


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