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There is not a greatest common factor of 56 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common.

The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56.

The prime factors of 56 are 2, 2, 2, and 7.

Examples:

The greatest common factor of 16 and 56 is 8.

The greatest common factor of 44 and 56 is 4.

The greatest common factor of 56 and 63 is 7.
You need at least two numbers to find a GCF.

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6y ago
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11y ago

A single number cannot have a greatest common factor. A greatest common factor is used to compare two or more numbers.

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12y ago

A single number cannot have a Greatest Common Factor.

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Q: What is the greatest common factor of 56?
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