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Factoring and Multiples

What is a Greatest Common Factor of 21 and 49?

Wiki User

∙ 2009-03-08 20:32:23

Best Answer

The factors of 21 are 1, 3, 7, 21 The factors of 49 are 1, 7, 49 The largest matching number is 7 so 7 is the GCF of 21 and 49.

Wiki User

∙ 2009-03-08 20:32:23

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Related questions

What is the greatest common factor of 14 and 21 and 49?

The greatest common factor of 14, 21 and 49 is 7.

What is the greatest common factor of 21 49 63?

The GCF is 7.

What is the greatest common factor of 4942 and 21?

7 is the greatest common factor of 4942 and 21, or of 49, 42 and 21, if that is what you meant.

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The GCF of 21, 49, and 56 is 7

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The GCF of 21, 49 and 115 is 1.

What is the greatest common factor of 21 of 49?

7

What is the common greatest factor of 21 and 49?

It is: 7

What is the Greatest common factor of 49 and 21?

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What is the greatest common factor of 21 49 and 70?

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 21, 49, and 70 is 7

What are the greatest common factor and the least common multiple of 21 and 49?

The GCF and LCM of 21 and 49 are 7 and 147 respectively

What is the greatest common factor of 91 49 21 and 21?

The GCF is 7.

What is the greatest common factor of 21 and 49 and 91?

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What is the greatest common factor of 77 21 49?

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What is the greatest common factor of 21 and 49 and 84?

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What are the greatest common factor of 21 35 and 49?

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What is the greatest common factor of 49 7 and 21?

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What is the greatest common factor for 21 49 and 63?

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