Euclid's Division Lemma Prime Factorisation Calculator Factors of a Number Calculator LCM Calculator GCF Calculator Factor Tree Calculator LCM of Decimals LCM of Fractions GCF of Decimals GCF of Fractions

Least Common Multiple of 45 and 50

Free LCM Calculator determines the least common multiple (LCM) between 45 and 50 the smallest integer that is 450 that is divisible by both numbers.

Least Common Multiple (LCM) of 45 and 50 is 450.

LCM(45,50) = 450

LCM of 45 and 50

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

LCM of:
and

Least Common Multiple (LCM) of 45 and 50 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45 and 50. First we will calculate the prime factors of 45 and 50.

Prime Factorization of 45


3 45
3 15
5 5
1

Prime factors of 45 are 3,5. Prime factorization of 45 in exponential form is:

45 = 32×51

Prime Factorization of 50


2 50
5 25
5 5
1

Prime factors of 50 are 2,5. Prime factorization of 50 in exponential form is:

50 = 21×52

Now multiplying the highest exponent prime factors to calculate the LCM of 45 and 50.

LCM(45,50) = 21×32×52
LCM(45,50) = 450

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1, 3, 5, 9, 15, 45

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1, 2, 5, 10, 25, 50

Least Common Multiple of 45 and 50 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45 and 50, than apply into the LCM equation.

GCF(45,50) = 5
LCM(45,50) = ( 45 × 50) / 5
LCM(45,50) = 2250 / 5
LCM(45,50) = 450

Properties of LCM 45 and 50

(i) The LCM of 50 and 45 is associative

LCM of 45 and 50 = LCM of 50 and 45

Frequently Asked Questions on LCM of 45 and 50

1. What is the LCM of 45 and 50?

Answer: LCM of 45 and 50 is 450.

2. What are the Factors of 45?

Answer: Factors of 45 are 1, 3, 5, 9, 15, 45. There are 6 integers that are factors of 45. The greatest factor of 45 is 45.

3. What are the Factors of 50?

Answer: Factors of 50 are 1, 2, 5, 10, 25, 50. There are 6 integers that are factors of 50. The greatest factor of 50 is 50.

4. How to Find the LCM of 45 and 50?

Answer:

Least Common Multiple of 45 and 50 = 450

Step 1: Find the prime factorization of 45

45 = 3 x 3 x 5

Step 2: Find the prime factorization of 50

50 = 2 x 5 x 5

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

LCM = 450 = 2 x 3 x 3 x 5 x 5

Step 4: Therefore, the least common multiple of 45 and 50 is 450.