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There cannot be a common factor of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
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What are the common factors for 18?
The common factors of 18 are: 1,2,3,6,9,18.
Common factors for 18?
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
What are common factors of 18?
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
What are the common factors in 6 and 18?
Common factors of 6 and 18 are 1,2,3,6.
Common factors of 18?
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
What are the common factors of 18 and 36?
The common factors of 18 and 36 are 18,9,6,3,2,1.
What are the common factors of 56 and 18?
The common factors of 56 and 18 are 1 and 2.
What are the first four common factors of 18?
The factors of 18 are 1,2,3,6,9 and 18. For them to be common, they need to be compared to another set of factors.
What are the common factors of 18 and 20?
The common factors of 18 and 20 are 1 and 2.
What are the common factors of 18 and 28?
The common factors of 18 and 28 are 1 and 2
What are the common factors of 18 and 40?
The common factors of 18 and 40 are: 1, 2.
What is the common factors of 18 and 32?
Common factors of 18 and 32 are: 1 and 2.
