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3: It's the largest number that they both can be divided by.
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Related questions
What is the GCF of 6 and 21?
the GCF of 6 and 21 is 3.
What is the GCF of 6 15 21 and 9?
The GCF is 3.
What is the gcf of 6 and 21 and 2?
The GCF is 1.
What is the gcf of 6 15 and 21?
The GCF is 3.
What is the GCF of the numbers 21 18 and 24?
The GCF is 6.
What is the GCF and LCM of 6 and 21?
The LCM of 6 and 21 is 42. Their GCF is 3.
What is the GCF of 6 15 21 and 19?
The gcf of 6, 15, and 21 is 3. But once you throw that 19 in there, it's ' 1 '.
What is the GCF of 6 15 21 9?
The GCF is 3.
What is the gcf of 6 21 30?
The GCF is 3.
What is the hcf of 21 84 and 91?
The GCF is 3.
What is the gcf of 9 6 21?
the answer is 3
What is the GCF of 126 and 12?
The Highest Common Factor of the two numbers is 6. 126/6 = 21 12/6 = 2
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