## What is the common factor of 24 and 30?

The GCF of 24 and 30 is 6.

## How do you find the common factors of 20 and 28?

Step-by-step explanation:

- Factors of 20 = F(20) = { 1,2,4,5,10,20 }
- 28 = 1 × 28.
- = 2 × 14.
- = 4 × 7.
- Factors of 28 = F(28) = { 1, 2 , 4, 7, 14, 28 }
- Common factors of 20 and 28 = { 1, 2, 4 }

**What is the greatest common factor for 20 and 32?**

Answer: GCF of 20 and 32 is 4 We can explain the GCF of 20 and 32 by the following two methods.

### What is 30 a multiple of?

Multiples of 30: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330… Common multiples of 25 and 30 include 150 and 300. The lowest common multiple or least common multiple is the lowest multiple two numbers have in common. There are two ways of finding the lowest common multiple of two numbers.

### What is the GCF of 36 24?

12

**What are the common factors of 25 and 30?**

Greatest Common Factor of 25 and 30 Greatest common factor (GCF) of 25 and 30 is 5.

#### What is the GCF of 35 and 21?

7

#### What is the GCF of 20 35?

The biggest common factor number is the GCF number. So the greatest common factor 20 and 35 is 5.

**How many pairs of factors does 20 have?**

6 factors

## What are two factors of 20?

The factors of 20 are the numbers, which produce the result as 20 when a pair of factors are multiplied together. These factors are 1,2,4,5,10 and 20. Factor pairs of the number, that results in original number when multiplied together. To find the factors of a number, 20, we will use the factorization method.

## What are the factors of negative 28?

The list of Negative Factors of 28 are: -1, -2, -4, -7, -14, and -28.

**What are the common factors of 5 15 and 25?**

Factors of 25 are 1, 5 and 25. From these, we can clearly see that 1 and 5 are the factors of all three numbers i.e. 5, 15 and 25. Hence, the required common factors of 5, 15 and 25 are 1 and 5.

### What are the factors of 20 and 28?

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.

### What are the common factors of 15 and 25?

Hence, The common factors of 15 and 25 are 5 and 1.

**What is the first multiple of 30?**

The multiples of 30 are easy to evaluate and they are 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360, 390, 420 and so on.

#### Is 30 a multiple or factor?

Table of Factors and Multiples

Factors | Multiples | |
---|---|---|

1, 29 | 29 | 58 |

1, 2, 3, 5, 6, 10, 15, 30 | 30 | 60 |

1, 31 | 31 | 62 |

1, 2, 4, 8, 16, 32 | 32 | 64 |

#### What is the lowest common multiple of 20 and 30?

60

**What are 3 factors of 30 that are not factors of 15?**

30 is a composite number. 30 = 1 x 30, 2 x 15, 3 x 10, or 5 x 6. Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30. Prime factorization: 30 = 2 x 3 x 5.

## What are all the factors of 30?

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30. Factors of 31: 1, 31.

## What are the first 6 multiples of 30?

Select the first 6 multiples of 30.

- 30, 60, 180.
- 30, 40, 180.
- 30, 40, 180.

**What are the first 5 multiples of 30?**

The first 5 multiples of 30 are: 0, 30, 60, 90, 120.

### What are the first 10 multiples of 25?

Multiples of 25 are 25, 50, 75, 100… 1000, 1025,…. 1975, 2000,….

### What are the factors of 10 and 30?

Common Factors of 10 and 30: 1, 2, 5, 10.

**What is the common factors of 20?**

The factors of 20 are 1, 2, 4, 5, 10, 20. The factors of 50 are 1, 2, 5, 10, 25, 50. The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120. The common factors of 20, 50 and 120 are 1, 2, 5 and 10.

#### What are the factors of 20 and 30?

The numbers 20 and 30 have the factors 2 and 5 in common. Next, multiply the common factors to find the GCF. If there is only one common factor, there is no need to multiply. The GCF of 20 and 30 is 10.

#### What are multiples of 20?

The multiples of 20 are 20, 40, 60, 80, 100, 120, 140 and so on.

**What is the greatest factor of 30?**

The prime factors of 30 are 2 x 3 x 5. The prime factors they have in common are 3 x 5. 3 x 5 = 15. The greatest common factor is 15.

## How many positive factors does 30 have?

8 positive factors

## What are the factors of 28?

The factors of 28 are the numbers that can evenly divide 28. These factors are 1,2,4,7,14 and 28.