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You need at least two numbers to find a GCF. There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.

Q: What is the greatest common factor for 12?

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The greatest common factor of 12 and 68 is 4

The greatest common factor of the numbers 12, 24 and 48 is 12.The factors of 12 are 1,2,3,4,6,12The factors of 24 are 1,2,3,4,6,8,12,24The factors of 48 are 1,2,3,4,6,8,12,16,24,48so the greatest common factor is 12

The greatest common factor of 12 and 56 is 4.

3 is the greatest common factor of 9 and 12.

The greatest common factor of 36, 60, and 96 is 12

Related questions

The greatest common factor of 42 and 12 is 6.

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The Greatest Common Factor (GCF) is: 12

The greatest common factor of 12 , 42 = 6

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The greatest common factor of 12 and 68 is 4

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The greatest common factor of 12 and 385 is 1.