Table of Contents

- 1 What is the factor of 28 and 20?
- 2 What is the GCF and 20?
- 3 What is the GCF and LCM of 20 and 28?
- 4 What is the GCF for 24 and 30?
- 5 What is the GCF of 20 30?
- 6 What is the GCF of 24 and 20?
- 7 What is the HCF of 18 and 60?
- 8 What are factors between 20 and 28?
- 9 What is the lowest common multiple?
- 10 How do you calculate the highest common factor?

## What is the factor of 28 and 20?

Factors of 20 are 1, 2, 4, 5, 10, 20. Factors of 28 are 1, 2, 4, 7, 14, 28. So, the factors which are common to both of the given numbers are 1, 2, and 4. Therefore, the common factors are 1, 2, and 4.

## What is the GCF and 20?

The factors of 20 are: 1, 2, 4, 5, 10, 20. Then the greatest common factor is 4. You can also find the GCF using. Prime Factorization or Euclid’s Algorithm.

**What is the GCF for 28?**

GCF of 28 and 32 is the largest possible number that divides 28 and 32 exactly without any remainder. The factors of 28 and 32 are 1, 2, 4, 7, 14, 28 and 1, 2, 4, 8, 16, 32 respectively….GCF of 28 and 32.

1. | GCF of 28 and 32 |
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2. | List of Methods |

3. | Solved Examples |

4. | FAQs |

### What is the GCF and LCM of 20 and 28?

FAQs on LCM of 20 and 28 The LCM of 20 and 28 is 140. To find the LCM (least common multiple) of 20 and 28, we need to find the multiples of 20 and 28 (multiples of 20 = 20, 40, 60, 80 . . . . 140; multiples of 28 = 28, 56, 84, 112 . . . .

### What is the GCF for 24 and 30?

6

Answer: GCF of 24 and 30 is 6.

**What is the HCF of 20?**

The HCF of 20 and 30 is 10. To calculate the Highest common factor (HCF) of 20 and 30, we need to factor each number (factors of 20 = 1, 2, 4, 5, 10, 20; factors of 30 = 1, 2, 3, 5, 6, 10, 15, 30) and choose the highest factor that exactly divides both 20 and 30, i.e., 10.

#### What is the GCF of 20 30?

10

GCF of 20 and 30 by Listing Common Factors Therefore, the greatest common factor of 20 and 30 is 10.

#### What is the GCF of 24 and 20?

4

Answer: GCF of 20 and 24 is 4.

**What’s the GCF of 55 and 77?**

11

The GCF of 55 and 77 is 11. To calculate the GCF (Greatest Common Factor) of 55 and 77, we need to factor each number (factors of 55 = 1, 5, 11, 55; factors of 77 = 1, 7, 11, 77) and choose the greatest factor that exactly divides both 55 and 77, i.e., 11.

## What is the HCF of 18 and 60?

The HCF of 18 and 60 is 6.

## What are factors between 20 and 28?

We found the factors and prime factorization of 20 and 28. The biggest common factor number is the GCF number. So the greatest common factor 20 and 28 is 4.

**How do you calculate LCM and GCF?**

To find LCM multiply the factors in all three sections of the Venn Diagram 3 x 2 x 2 x 2 x 2 x 2 = 96 The LCM of 12 and 32 is 96 To find GCF multiply the factors in the center of the Venn Diagram 2 x 2 = 4 The GCF of 12 and 32 is 4. 5. Let’s Try Some! Use prime factorization to find LCM and GCF of 15 and 6.

### What is the lowest common multiple?

The smallest common multiple of two or more numbers is called the lowest common multiple (LCM). E.g. Multiples of 8 are 8, 16, 24, 32, Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24,

### How do you calculate the highest common factor?

To find the greatest common factor (GCF) between numbers, take each number and write it’s prime factorization. Then, identify the factors common to each number and multiply those common factors together.