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A common factor is a number that is a factor of both (or all) the numbers in question. Therefore 55 would be a common factor of 110 and 165 because both of these numbers can be divided by 55.
However, a number by itself (and not in reference to other numbers) cannot be called a common factor. So 55 could be a common factor, but isn't necessarily always one.
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∙ 11y ago
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What is the greatest common factor of 132-55?
The greatest common factor of the numbers 132 and 55 is 11.
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The greatest common factor of 15 and 55 is 5.
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Since 5 is a factor of 55, it is automatically the GCF.
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The greatest common factor of 30,40, and 55 is 5.
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The Greatest Common Factor (GCF) of 55 and 90 is: 5
What is the greatest common factor of 55 and 99?
The greatest common factor of 55 and 99 is 11.The GCF of 55 and 99 is 11.
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The Greatest Common Factor of 22, 55 and 110 is 11.
