# What are the common factor of 20 and 28?

## What are the common factor of 20 and 28?

The common factors of 20 and 28 are 1, 2 and 4 since the factors of 20 are 1, 2, 4, 5, 10, 20, whereas the factors of 28 are 1, 2, 4, 7, 14, 28.

## What is the least common multiple for 28?

The LCM of 28 and 42 is 84. To find the LCM (least common multiple) of 28 and 42, we need to find the multiples of 28 and 42 (multiples of 28 = 28, 56, 84, 112; multiples of 42 = 42, 84, 126, 168) and choose the smallest multiple that is exactly divisible by 28 and 42, i.e., 84.

What is the least common multiple between 28 and 21?

84
Answer: LCM of 21 and 28 is 84.

What is the least common multiple 20?

The LCM of 20 and 30 is 60. To find the least common multiple of 20 and 30, we need to find the multiples of 20 and 30 (multiples of 20 = 20, 40, 60, 80; multiples of 30 = 30, 60, 90, 120) and choose the smallest multiple that is exactly divisible by 20 and 30, i.e., 60.

### What is the biggest number of 20 and 28?

As you can see when you list out the factors of each number, 4 is the greatest number that 20 and 28 divides into.

### What is the least common multiple of 20 25 and 30?

300
Answer: LCM of 20, 25, and 30 is 300.

What is the LCM of 20 and 20?

The LCM of 20 and 20 is 20.

What are the multiples of 28?

The first five multiples of 28 are 28, 56, 84, 112, and 140.

## What is the LCM 2 7 and 28?

Calculate the LCM The least common multiple of 2, 7 and 28 is 28.

## Whats the LCM of 20 and 25?

100
Answer: LCM of 20 and 25 is 100.

What is the least common multiple of 20 and 30 and 60?

Therefore, the LCM of 20, 30, and 60 is 60.

What are common 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.

### What is the least common multiple (lcm) of 20 and 28?

Free LCM Calculator determines the least common multiple (LCM) between 20 and 28 the smallest integer that is 140 that is divisible by both numbers. Least Common Multiple (LCM) of 20 and 28 is 140. Least common multiple can be found by multiplying the highest exponent prime factors of 20 and 28.

### What is least common multiple?

Least Common Multiple. The smallest positive number that is a multiple of two or more numbers. List the Multiples of each number, The multiples of 3 are 3, 6, 9, 12, 15, 18, etc. The multiples of 5 are 5, 10, 15, 20, 25,

What is the LCM of 20 and 28 in exponential form?

Prime factors of 20 are 2, 5. Prime factorization of 20 in exponential form is: Prime factors of 28 are 2, 7. Prime factorization of 28 in exponential form is: Now multiplying the highest exponent prime factors to calculate the LCM of 20 and 28.

How do you find the least common factor of 12 and 30?

List all the prime numbers found, using the highest exponent found for each. Multiply the list of prime factors with exponents together to find the LCM. Example: LCM (12,18,30) Prime factors of 12 = 2 × 2 × 3 = 2 2 × 3 1. Prime factors of 18 = 2 × 3 × 3 = 2 1 × 3 2. Prime factors of 30 = 2 × 3 × 5 = 2 1 × 3 1 × 5 1.