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Factors of 18: 1, 2, 3, 6, 9, 18

Factors of 20: 1, 2, 4, 5, 10, 20

GCF (18, 20) = 2

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Q: What are the greatest common factors of 18 and 20?
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What is the greatest common factor between 10 and 18 and 32?

The GCF of 18, 20, and 32 is 2. Factors of 18... 1,2,3,6,9 & 18 Factors of 20... 1,2,4,5,10 & 20 Factors of 32... 1,2,4,8,16 & 32... Therefore the GCF would be 2 !


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The GCF ( greatest common factor) is 2 I know for a fact this is the correct answer Greatest common factor means the factor that goes (for example) 18 and 20, but the biggest.


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How do you find the greatest common factor using listing method of 18 and 20?

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What is the greatest common factor of 20 and 18?

The GCF of 18 and 20 is 2. The prime factors of 18 are 3, 3, 2 The prime factors of 20 are 5, 2, 2, The Greatest Common Factor is the highest factor that goes into both numbers, so the GCF is 2.


What is the greatest common divisor of 18 and 20?

The Greatest Common Divisor (GCD) for 18 20 is 2.


What is the greatest common factor of 18 13 and 20?

The Greatest Common Factor of 18, 13, and 20 is 1.


What is the greatest common factor of 20 and 90?

The Greatest Common Factor of 20 and 90 is 10, because the factors of 20 are: 20:1,2,4,5,10,20 The factors of 90 are: 90:1,2,3,5,6,9,10,15,18,30,45,90 So, the common factors are 1,2,5,10 10 is the greatest number of them so 10 is the Greatest Common Factor. THE ANSWER IS 10


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What are the greater common factor of18 and 36?

The Greatest Common Factor depends upon the numbers for which there are common factors and it is the greatest one of them; it can be greater than 18, for example the greatest common factor of 40 and 100 is 20. The greatest common factor must be one of the factors of each of the numbers. As the factors of each number cannot be greater than that number, the greatest common factor of a set of numbers cannot be greater than the least number. If this number is not greater than 18 then the greatest common factor of the numbers cannot be greater than 18. Even if the least number is greater than 18 it is possible that the greatest common factor of a set of numbers is still not greater than 18, for example the greatest common factor of 20, 30 and 50 is 10.


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