Least Common Multiple of 135 and 140

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 135 and 140 the smallest integer that is 3780 that is divisible by both numbers.

Least Common Multiple (LCM) of 135 and 140 is 3780.

LCM(135,140) = 3780

LCM of 135 and 140

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

LCM of:
and

Least Common Multiple of 135 and 140

LCM of 135 and 140 is 3780

Least common multiple can be found by multiplying the highest exponent prime factors of 135 and 140. First we will calculate the prime factors of 135 and 140.

Prime Factorization of 135


3 135
3 45
3 15
5 5
1

Prime factors of 135 are 3,5. Prime factorization of 135 in exponential form is:

135 = 33×51

Prime Factorization of 140


2 140
2 70
5 35
7 7
1

Prime factors of 140 are 2, 5,7. Prime factorization of 140 in exponential form is:

140 = 22×51×71

Now multiplying the highest exponent prime factors to calculate the LCM of 135 and 140.

LCM(135,140) = 22×33×51×71
LCM(135,140) = 3780

Factors of 135

List of positive integer factors of 135 that divides 135 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135

Factors of 140

List of positive integer factors of 140 that divides 140 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

Least Common Multiple of 135 and 140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 135 and 140, than apply into the LCM equation.

GCF(135,140) = 5
LCM(135,140) = ( 135 × 140) / 5
LCM(135,140) = 18900 / 5
LCM(135,140) = 3780

Properties of LCM 135 and 140

(i) The LCM of 140 and 135 is associative

LCM of 135 and 140 = LCM of 140 and 135

Frequently Asked Questions on LCM of 135 and 140

1. What is the LCM of 135 and 140?

Answer: LCM of 135 and 140 is 3780.

2. What are the Factors of 135?

Answer: Factors of 135 are 1, 3, 5, 9, 15, 27, 45, 135. There are 8 integers that are factors of 135. The greatest factor of 135 is 135.

3. What are the Factors of 140?

Answer: Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. There are 12 integers that are factors of 140. The greatest factor of 140 is 140.

4. How to Find the LCM of 135 and 140?

Answer:

Least Common Multiple of 135 and 140 = 3780

Step 1: Find the prime factorization of 135

135 = 3 x 3 x 3 x 5

Step 2: Find the prime factorization of 140

140 = 2 x 2 x 5 x 7

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

LCM = 3780 = 2 x 2 x 3 x 3 x 3 x 5 x 7

Step 4: Therefore, the least common multiple of 135 and 140 is 3780.