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# What is the greatest common factor of 30 and 77?

Updated: 8/30/2023 Wiki User

6y ago

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 30 and 77 is 1 Wiki User

6y ago   Wiki User

10y ago

The GCF is: 1   Wiki User

7y ago

The gcf of 35 and 77 is 7   Wiki User

12y ago

11   Wiki User

5y ago

It is: 1   Earn +20 pts
Q: What is the greatest common factor of 30 and 77?
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### What is the greatest common factor of 77 and 21?

The greatest common factor of 21 and 77 is 7.

The GCF is 1.

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The greatest common factor of 90 , 77 = 1

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The greatest common factor of 22 and 77 is 11.

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The greatest common factor of 77 and 143 is 11.

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

### What is the greatest common factor of 77?

There is not a greatest common factor of a single number, such as 77, 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. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. The factors of 77 are 1, 7, 11, and 77. The prime factors of 77 are 7 and 11. Examples: The greatest common factor of 63 and 77 is 7. The greatest common factor of 74 and 77 is 1. The greatest common factor of 77 and 121 is 11.

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Greatest common factor of 33 and 77 is 11.

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The Greatest Common Factor (GCF) is: 1.

### What is the greatest common factor of 55 and 77?

The greatest common factor of 55 and 77 is 11. The prime factorization of 55 is 5*11. The prime factorization of 77 is 7*11. The greatest common factor is 11.

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The Greatest Common Factor of 121, 55, 77: 11

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The greatest common factor of 231 and 154 is 77.