Best Answer

To identify the GCF of 91 and 78, you first need to break these down into their prime factors:

91 = 7x13

78 = 2x3x13

The next step is to identify any common prime factors. In this case, both numbers have 13 as a prime factor. Thus the greatest common factor of 91 and 78 is 13.

More answers

The GCF is 7.

Q: What is the greatest common factor of 91 and 77?

Write your answer...

Submit

Still have questions?

Continue Learning about Movies & Television

The GCF is 7.

7The GCF is 7.It is 7

7 is the Greatest Common Factor (GCF) Factored into their prime factors: 28 = 2 x 2 x 7 77 = 7 x 11 91 = 7 x 13 The only factor they have in common (other than 1) is 7

Factors of 11: 1, 11Factors of 44: 1, 2, 4, 11, 22, 44Factors of 77: 1, 7, 11, 77GCF (11, 44, 77) = 11

Greatest common factor for 52 and 91 is 13.

Related questions

It is: 7

It is: 1

It is: 7

The GCF is 7.

The GCF is 7.

The greatest common factor of 21, 77, and 91 is 7.How to find the greatest common factor of 21, 77, and 91:One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 21 are 1, 3, 7, and 21.The factors of 77 are 1, 7, 11, and 77.The factors of 91 are 1, 7, 13, and 91.The common factors are 1 and 7. Therefore, the greatest common factor is 7.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 21 are 3 and 7.The prime factors of 77 are 7 and 11.The prime factors of 91 are 7 and 13.The only prime factor in common is 7, so the greatest common factor is 7.The GCF is 7.

The GCF is 7.

The GCF of 77, 91 and 143 is 1.

7The GCF is 7.It is 7

The greatest common factor of 91 , 105 = 7

The greatest common factor of 91 and 95 is 1

The greatest common factor of 91 , 12 = 1