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

Updated: 4/28/2022

Wiki User

7y ago

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.

Wiki User

7y ago

Wiki User

14y ago

11

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Q: What is the greatest common factor of 55 and 77?
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### What is the greatest common factor of 55 77 and 121?

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

It is: 11

### What is the greatest common factor of 55 77 and 169?

The GCF of 55, 77, and 169 is 1

### What is the greatest common factor of 33 55 and 77?

The factors of 33 include 1,3,11,33The factors of 55 include 1,5,11,55The factors of 77 include 1,7,11,77Therefore the greatest common factor of 33, 55 and 77 is 11.

The GCF is 11.

The GCF is 11.

### What is is the GCF of 55 77 and 143?

The greatest common factor of the numbers 55, 77 and 143 is 11.Common factors of 55: 1, 5, 11, and 55.Common factors of 77: 1, 7, 11, and 77.Common factors of 143: 1, 11, 13, and 143.So the greatest common factor is 11.

The GCF is 11.

The GCF is 11.

The GCF is 11.

It is: 11

### What is the greatest common factor of 55 77 and 132?

The GCF of 55, 77, and 132 is 11.It is 11