- What is the GCF of 16 and 20?
- What is the GCF of 18 and 27?
- What is the GCF of 15 and 30?
- What is the GCF of 24 and 30?
- What is the GCF of 100 and 15?
- What is the GCF of 15?
- What is the highest common factor of 4 and 15?
- What is the GCF of 15 and 9?
- What is the GCF of 25 and 15?
- What is the GCF of 10 15 and 20?
- What are the factors of 15 and 20?
- What is the GCF of 10 and 15?
- What is the GCF of 3 and 6?
- What is the GCF for 15 and 6?
- What is the HCF of 12 and 15?
- What is the HCF of 16 and 24?
- What is the GCF of 5 and 30?
- What is the HCF of 18 and 24?

## What is the GCF of 16 and 20?

We found the factors and prime factorization of 16 and 20.

The biggest common factor number is the GCF number.

So the greatest common factor 16 and 20 is 4..

## What is the GCF of 18 and 27?

Example: Find the GCF of 18 and 27 The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.

## What is the GCF of 15 and 30?

Greatest common factor (GCF) of 15 and 30 is 15.

## What is the GCF of 24 and 30?

6Greatest common factor (GCF) of 24 and 30 is 6.

## What is the GCF of 100 and 15?

The common factors of 15 and 100 are 5, 1, intersecting the two sets above. In the intersection factors of 15 ∩ factors of 100 the greatest element is 5. Therefore, the greatest common factor of 15 and 100 is 5.

## What is the GCF of 15?

The prime factors they have in common are 3 x 5. 3 x 5 = 15. The greatest common factor is 15. When two numbers have no prime factors in common, their greatest common factor is 1.

## What is the highest common factor of 4 and 15?

Greatest common factor (GCF) of 4 and 15 is 1. We will now calculate the prime factors of 4 and 15, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4 and 15.

## What is the GCF of 15 and 9?

Greatest common factor (GCF) of 9 and 15 is 3.

## What is the GCF of 25 and 15?

5The Greatest Common Factor of 15and25 is 5. (the number itself and 1 do not count). The factor(s) of 25 is 5 . After all, it is a square number.

## What is the GCF of 10 15 and 20?

We found the factors and prime factorization of 15 and 20. The biggest common factor number is the GCF number. So the greatest common factor 15 and 20 is 5.

## What are the factors of 15 and 20?

The gcf of 15 and 20 can be obtained like this: The factors of 15 are 15, 5, 3, 1. The factors of 20 are 20, 10, 5, 4, 2, 1. The common factors of 15 and 20 are 5, 1, intersecting the two sets above.

## What is the GCF of 10 and 15?

Greatest common factor (GCF) of 10 and 15 is 5. We will now calculate the prime factors of 10 and 15, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10 and 15.

## What is the GCF of 3 and 6?

The prime factors and multiplicities 3 and 6 have in common are: 3. 3 is the gcf of 3 and 6. gcf(3,6) = 3.

## What is the GCF for 15 and 6?

Greatest common factor (GCF) of 6 and 15 is 3. We will now calculate the prime factors of 6 and 15, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6 and 15.

## What is the HCF of 12 and 15?

The factors of 12 are : 1, 2, 3, 4, 6, 12. The factors of 15 are : 1, 3, 5, 15. 1 and 3 are the only common factors (numbers which are factors of both 12 and 15). Therefore, the highest common factor of 12 and 15 is 3.

## What is the HCF of 16 and 24?

8Example 21 Consider the highest common factor of 16 and 24 again. The common factors are 1, 2, 4 and 8. So, the highest common factor is 8.

## What is the GCF of 5 and 30?

The factors of 30 are 30, 15, 10, 6, 5, 3, 2, 1. The common factors of 5 and 30 are 5, 1, intersecting the two sets above. In the intersection factors of 5 ∩ factors of 30 the greatest element is 5. Therefore, the greatest common factor of 5 and 30 is 5.

## What is the HCF of 18 and 24?

We found the factors and prime factorization of 18 and 24. The biggest common factor number is the GCF number. So the greatest common factor 18 and 24 is 6.