Least Common Multiple of 40 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 40 and 44 the smallest integer that is 440 that is divisible by both numbers.

Least Common Multiple (LCM) of 40 and 44 is 440.

LCM(40,44) = 440

LCM of 40 and 44

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

LCM of:
and

Least Common Multiple of 40 and 44

LCM of 40 and 44 is 440

Least common multiple can be found by multiplying the highest exponent prime factors of 40 and 44. First we will calculate the prime factors of 40 and 44.

Prime Factorization of 40


2 40
2 20
2 10
5 5
1

Prime factors of 40 are 2,5. Prime factorization of 40 in exponential form is:

40 = 23×51

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 40 and 44.

LCM(40,44) = 23×51×111
LCM(40,44) = 440

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40

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 40 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 40 and 44, than apply into the LCM equation.

GCF(40,44) = 4
LCM(40,44) = ( 40 × 44) / 4
LCM(40,44) = 1760 / 4
LCM(40,44) = 440

Properties of LCM 40 and 44

(i) The LCM of 44 and 40 is associative

LCM of 40 and 44 = LCM of 44 and 40

Related Least Common Multiples of 40

Related Least Common Multiples of 44

Frequently Asked Questions on LCM of 40 and 44

1. What is the LCM of 40 and 44?

Answer: LCM of 40 and 44 is 440.

2. What are the Factors of 40?

Answer: Factors of 40 are 1, 2, 4, 5, 8, 10, 20, 40. There are 8 integers that are factors of 40. The greatest factor of 40 is 40.

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 40 and 44?

Answer:

Least Common Multiple of 40 and 44 = 440

Step 1: Find the prime factorization of 40

40 = 2 x 2 x 2 x 5

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 = 440 = 2 x 2 x 2 x 5 x 11

Step 4: Therefore, the least common multiple of 40 and 44 is 440.