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To calculate the GCF you first have to split the numbers into their prime factors:
28 = 2x2x7
12 = 2x2x3
20 = 2x2x5
The next step is to identify any common factors. In this case, all three numbers have two 2s. Multiply these together and you get 4. Therefore the GCF of 28, 12 and 20 is 4.
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Related Questions
What is the greatest factor of 12 and 20 and 28?
The GCF is 4.
What the gcf of 12 28?
The GCF is 4.
What is the gcf pf 20 and 28?
The GCF of 20 and 28 is 4
What is GCF of 12 44 and 28?
The GCF is 4.
What is the GCF of 72 20 28 and 48?
The GCF is 4.
What is the GCF of 12 4 and 28?
The GCF of 12, 4, and 28 is 4.
What is the greatest common factor of 28 and 20?
The Greatest Common Factor (GCF) of 20 and 28 is 4.The factors of 20 are 1, 2, 4, 5, 10, and 20The factors of 28 are 1, 2, 4, 7, 14, and 28The common factors are: 1, 2, 4The Greatest Common Factor (GCF) is: 4
What is the gcf for 20 and 12?
The GCF is 4.
What is the GFC of 20 and 28?
GCF(20, 28) = 4
What is the GCF 12 28?
The GCF is 4.
What is the gcf of 28 and 12?
12 = 1,2,3,4,6, 28 = 1,4,7 So the greatest common factor is
What is the GCF of 20 12 and 36?
The GCF is 4.
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