Least Common Multiple of 140 and 158

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 140 and 158 the smallest integer that is 11060 that is divisible by both numbers.

Least Common Multiple (LCM) of 140 and 158 is 11060.

LCM(140,158) = 11060

LCM of 140 and 158

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

LCM of:
and

Least Common Multiple of 140 and 158

LCM of 140 and 158 is 11060

Least common multiple can be found by multiplying the highest exponent prime factors of 140 and 158. First we will calculate the prime factors of 140 and 158.

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

Prime Factorization of 158


2 158
79 79
1

Prime factors of 158 are 2,79. Prime factorization of 158 in exponential form is:

158 = 21×791

Now multiplying the highest exponent prime factors to calculate the LCM of 140 and 158.

LCM(140,158) = 22×51×71×791
LCM(140,158) = 11060

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

Factors of 158

List of positive integer factors of 158 that divides 158 without a remainder.

1, 2, 79, 158

Least Common Multiple of 140 and 158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 140 and 158, than apply into the LCM equation.

GCF(140,158) = 2
LCM(140,158) = ( 140 × 158) / 2
LCM(140,158) = 22120 / 2
LCM(140,158) = 11060

Properties of LCM 140 and 158

(i) The LCM of 158 and 140 is associative

LCM of 140 and 158 = LCM of 158 and 140

Related Least Common Multiples of 140

Related Least Common Multiples of 158

Frequently Asked Questions on LCM of 140 and 158

1. What is the LCM of 140 and 158?

Answer: LCM of 140 and 158 is 11060.

2. 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.

3. What are the Factors of 158?

Answer: Factors of 158 are 1, 2, 79, 158. There are 4 integers that are factors of 158. The greatest factor of 158 is 158.

4. How to Find the LCM of 140 and 158?

Answer:

Least Common Multiple of 140 and 158 = 11060

Step 1: Find the prime factorization of 140

140 = 2 x 2 x 5 x 7

Step 2: Find the prime factorization of 158

158 = 2 x 79

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

LCM = 11060 = 2 x 2 x 5 x 7 x 79

Step 4: Therefore, the least common multiple of 140 and 158 is 11060.