Least Common Multiple of 28 and 44

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 28 and 44 the smallest integer that is 308 that is divisible by both numbers.

Least Common Multiple (LCM) of 28 and 44 is 308.

LCM(28,44) = 308

LCM of 28 and 44

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 28 and 44

LCM of 28 and 44 is 308

Least common multiple can be found by multiplying the highest exponent prime factors of 28 and 44. First we will calculate the prime factors of 28 and 44.

Prime Factorization of 28


2 28
2 14
7 7
1

Prime factors of 28 are 2,7. Prime factorization of 28 in exponential form is:

28 = 22×71

Prime Factorization of 44


2 44
2 22
11 11
1

Prime factors of 44 are 2,11. Prime factorization of 44 in exponential form is:

44 = 22×111

Now multiplying the highest exponent prime factors to calculate the LCM of 28 and 44.

LCM(28,44) = 22×71×111
LCM(28,44) = 308

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1, 2, 4, 7, 14, 28

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1, 2, 4, 11, 22, 44

Least Common Multiple of 28 and 44 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28 and 44, than apply into the LCM equation.

GCF(28,44) = 4
LCM(28,44) = ( 28 × 44) / 4
LCM(28,44) = 1232 / 4
LCM(28,44) = 308

Properties of LCM 28 and 44

(i) The LCM of 44 and 28 is associative

LCM of 28 and 44 = LCM of 44 and 28

Related Least Common Multiples of 28

Related Least Common Multiples of 44

Frequently Asked Questions on LCM of 28 and 44

1. What is the LCM of 28 and 44?

Answer: LCM of 28 and 44 is 308.

2. What are the Factors of 28?

Answer: Factors of 28 are 1, 2, 4, 7, 14, 28. There are 6 integers that are factors of 28. The greatest factor of 28 is 28.

3. What are the Factors of 44?

Answer: Factors of 44 are 1, 2, 4, 11, 22, 44. There are 6 integers that are factors of 44. The greatest factor of 44 is 44.

4. How to Find the LCM of 28 and 44?

Answer:

Least Common Multiple of 28 and 44 = 308

Step 1: Find the prime factorization of 28

28 = 2 x 2 x 7

Step 2: Find the prime factorization of 44

44 = 2 x 2 x 11

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 308 = 2 x 2 x 7 x 11

Step 4: Therefore, the least common multiple of 28 and 44 is 308.