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Q: What is the highest common factor for 21 77 84?

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The GCF is 7.

The only proper factors of 77 are 7 and 11. 11 isn't a factor of 259 but 7 is, so the answer is 7.

The greatest common factor of 77 and 143 is 11.

The greatest common factor of 77 and 88 is 11, and it is also the greatest prime factor.

The GCF is 7.

Related questions

7 is the highest common factor of 21, 77 and 91.

7 is the highest common factor of 21, 77 and 91.

The GCF is 7.

The GCF is 7.

The greatest common factor of 21 and 77 is 7.

The GCF is 7.The GCF is 7.

The highest common factor is 11

94 and 77's highest common factor is one.

The greatest common factor of 77 and 203 is 7To find the Highest Common Factor convert each number into its prime factors.77 = 7 x 11203 = 7 x 29In this example, 7 is the only factor common to both numbers and is therefore the Highest Common Factor of 77 and 203The GCF is 7.

It is not possible to give a sensible answer to this question. The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question!

It is: 7

11

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