 # What is the GCF and LCM of 4 and 20?

## What is the GCF and LCM of 4 and 20?

GCF of 4 and 20 Examples Therefore, the greatest common factor of 4 and 20 is 4. Example 2: The product of two numbers is 80. If their GCF is 4, what is their LCM? Therefore, the LCM is 20.

## What is a LCM of 20?

LCM of 20 and 30 is the smallest number among all common multiples of 20 and 30. The first few multiples of 20 and 30 are (20, 40, 60, 80, . . . ) and (30, 60, 90, 120, 150, 180, . . . ) respectively….LCM of 20 and 30.1.LCM of 20 and 303.Solved Examples4.FAQs

## Does 4 and 5 have a LCM of 20?

Answer: LCM of 4 and 5 is 20.

## What is the LCM of 4?

LCM of 4 and 4 is the smallest number among all multiples of 4. The first few multiples of 4 are (4, 8, 12, 16, 20, 24, . . . )….LCM of 4 and 4.1.LCM of 4 and 42.List of Methods3.Solved Examples4.FAQs

## What are the factors of 20?

Factors of 20Factors of 20: 1, 2, 4, 5, 10 and 20.Negative Factors of 20: -1, -2, -4, -5, -10 and -20.Prime Factors of 20: 2, 5.Prime Factorization of 20: 2 × 2 × 5 = 22 × 5.Sum of Factors of 20: 42.

## How do you find LCM?

How to Find LCM by Listing MultiplesList the multiples of each number until at least one of the multiples appears on all lists.Find the smallest number that is on all of the lists.This number is the LCM.

## What is the LCM of 4 and 22?

44Answer: LCM of 4 and 22 is 44.

## How do u find the LCM?

Find the least common multiple (LCM) of two numbers by listing multiplesList the first several multiples of each number.Look for multiples common to both lists. Look for the smallest number that is common to both lists.This number is the LCM.

## What numbers can 20 be divided by?

When we list them out like this it’s easy to see that the numbers which 20 is divisible by are 1, 2, 4, 5, 10, and 20.

## What does LCM mean in math?

least common multipleDefinition of least common multiple 1 : the smallest common multiple of two or more numbers.

## What is an example of LCM?

The least common multiple can be defined as the lowest positive integer that is multiple in a given set of numbers. For instance, the LCM of 2, 3, and 7 is 42 because 42 is a multiple of 2, 3, and 7. There is no other number lower than 42 that is a multiple of the three numbers.

## Which are the factors of 20?

The factors of 20 are 1, 2, 4, 5, 10 and 20.

## What are the pair of 4?

The positive pair factors of 4 are (1, 4) and (2, 2). The negative pair factors of 4 are (-1, -4) and (-2, -2).

## What are negative 20 factors?

Similarly, the negative factors of 20 are -1, -2, -4, -5, -10 and -20.

## Why do we use LCM?

In math problems where we pair two objects against each other, the LCM value is useful in optimizing the quantities of the given objects. Also, in computer science, the LCM of numbers helps design encoded messages using cryptography.

## What are the multiples of 20?

The multiples of 20 are 20, 40, 60, 80, 100, 120, 140 and so on. The multiples of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 and so on.

## What is the LCM of 20 and 18?

180Answer: LCM of 18 and 20 is 180.