answersLogoWhite

0


Best Answer

Factors of 45: 1, 3, 5, 9, 15, 45.

Factors of 55: 1, 5, 11, 55.

Factors of 20: 1, 2, 4, 5, 10, 20.

GCF (45, 55, 20) = 5

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What are the greatest common factors of 45 55 and 20?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Other Math

What are the common factors of 27 and 45?

The common factors of 27 and 45 are 1, 3, and 9. The greatest common factor of 27 and 45 is 9. One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 27 are 1, 3, 9, and 27. The factors of 45 are 1, 3, 5, 9, 15, and 45. The common factors are 1,3, and 9. Therefore, the greatest common factor is 9. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. To then obtain the common factors, list all the factors of the greatest common factor. The prime factors of 27 are 3, 3, and 3. The prime factors of 45 are 3, 3, and 5. The prime factors in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.


What is the greatest common factor for 45 and 60?

The factors of 45 are 1, 3, 5, 9, 15, and 45. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60. The common factors are 1, 3, 5, and 15. Therefore, the greatest common factor is 15. You can also determine the greatest common factor from the prime factors. The prime factors of 45 are 3, 3, and 5. The prime factors of 60 are 2, 2, 3, and 5. The common prime factors are 3 and 5, so the greatest common factor is 3 x 5 = 15.


What are the common factors of 20 35 and 45?

The only factors common to all three numbers are... 1 & 5


What is the GCF of 45 and 60 with work?

Factors of 45 are: 1,3,5,9,15,45 Factors of 60 are: 1,2,3,4,5,6,10,12,15,20,30,60 The greatest common factor is 15 as seen in the above lists


What is the common factors for 30 and 45?

The factors of 30 are 1, 2, 3, 5, 6, 10, 20, and 30. The factors of 45 are 1, 3, 5, 9 15, and 45. The common factors of 30 and 45 are 1, 3, and 5.

Related questions

What is the greatest common factor of 20 and 45?

The greatest common factor of 20 and 45 is 5.The factors of 20 are: 1, 2, 4, 5, 10, 20The factors of 45 are: 1, 3, 5, 9, 15, 45The common factors are: 1, 5


What are the greatest common factors of 45 and 63?

The greatest common factor of 45 and 63 is 9.


Greatest common factors for 60 and 45?

The Greatest Common Factor is 15.


What is the greatest common factor of 8 and 45?

The greatest common factor of 8 and 45 is 1. The numbers 8 and 45 have no prime factors in common.


What is the greatest common factors of 45 85 and 99?

The Greatest Common Factor is one.


What are the greatest common factors of 18 and 45?

The Greatest Common Factor (GCF) is: 9


What is the greatest common factor of 90 and 20 and 95?

The GCF (greatest common factor) of 90, 20, and 95 is 5. Factors of 90: 2, 3, 4, 5, 9, 10, 18, 30, 45 Factors of 20: 2, 5, 10 Factors of 95: 5


What are the common factors of 27 and 45?

The common factors of 27 and 45 are 1, 3, and 9. The greatest common factor of 27 and 45 is 9. One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 27 are 1, 3, 9, and 27. The factors of 45 are 1, 3, 5, 9, 15, and 45. The common factors are 1,3, and 9. Therefore, the greatest common factor is 9. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. To then obtain the common factors, list all the factors of the greatest common factor. The prime factors of 27 are 3, 3, and 3. The prime factors of 45 are 3, 3, and 5. The prime factors in common are 3 and 3, so the greatest common factor is 3 x 3 = 9.


What is the greatest common factor of 20 and 30 and 45?

The Greatest Common Factor (GCF) is: 5


What are the greatest common factors of 28 and 45?

the answer is555555


What are the greatest common factors of 45 and 60?

15


What is the greatest common factor of 21 and 45?

The GCF of 21 and 45 is 3. 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 45 are 1, 3, 5, 9, 15, and 45. The common factors are 1 and 3. Therefore, the greatest common factor is 3. 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 45 are 3, 3, and 5. The prime factors in common are a single 3, so the greatest common factor is 3.