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# Question: What are the factors of 30?

## How do you find factors of a number?

With the help of prime factorisation method, we can determine the prime factors of a number.

Finding Factors Using Prime Factorisation.

Steps Prime factors Division
Divide 144 by 2 2 144 ÷ 2=72
Divide 72 by 2 2 72 ÷ 2 = 36
Divide 36 by 2 2 36 ÷ 2 = 18
Divide 18 by 2 2 18 ÷ 2 = 9

## What are the factors of 10 and 30?

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

## What is a factor of 30 and a multiple of 3?

Example: 30 = 3 × 10, so 3 and 10 are factors of 30 and 30 is a multiple of 3 and 10. Every factor of a number is an exact divisor of that number.

## What are the factors of 28?

The factors of 28 are the numbers, which on multiplication in pairs results in the original number. These factors are 1,2,4,7,14 and 28. Since, 2 x 14 = 28, therefore (2,14) is a pair factor of number 28.

## How do you find factors quickly?

Finding Factors Quickly

Establish the number you want to find the factors of, for example 24. Find two more numbers that multiply to make 24. In this case, 1 x 24 = 2 x 12 = 3 x 8 = 4 x 6 = 24. This means the factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

## What is the common multiple of 10 and 30?

The LCM of 10 and 30 is 30.

## What is the HCF of 10 15 and 30?

Answer: 5 is the HCF of of 10, 15 and 30.

## What is the GCF of 30?

The product of these factors is called the Greatest Common Factor, or GCF for short. Example: 30 = (5)(3)(2)

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## What are two factors of 30?

The factors of number 30 are 1, 2, 3, 5, 6, 10, 15 and 30. Common factors are the numbers which are common for two or more numbers.

## 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 is a multiple of 30?

Multiples of 30: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330 Common multiples of 25 and 30 include 150 and 300.

## 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 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 factors of negative 28?

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