Least Common Multiple of 7143 and 7149

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 7143 and 7149 the smallest integer that is 17021769 that is divisible by both numbers.

Least Common Multiple (LCM) of 7143 and 7149 is 17021769.

LCM(7143,7149) = 17021769

LCM of 7143 and 7149

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

LCM of:
and

Least Common Multiple of 7143 and 7149

LCM of 7143 and 7149 is 17021769

Least common multiple can be found by multiplying the highest exponent prime factors of 7143 and 7149. First we will calculate the prime factors of 7143 and 7149.

Prime Factorization of 7143


3 7143
2381 2381
1

Prime factors of 7143 are 3,2381. Prime factorization of 7143 in exponential form is:

7143 = 31×23811

Prime Factorization of 7149


3 7149
2383 2383
1

Prime factors of 7149 are 3,2383. Prime factorization of 7149 in exponential form is:

7149 = 31×23831

Now multiplying the highest exponent prime factors to calculate the LCM of 7143 and 7149.

LCM(7143,7149) = 31×23811×23831
LCM(7143,7149) = 17021769

Factors of 7143

List of positive integer factors of 7143 that divides 7143 without a remainder.

1, 3, 2381, 7143

Factors of 7149

List of positive integer factors of 7149 that divides 7149 without a remainder.

1, 3, 2383, 7149

Least Common Multiple of 7143 and 7149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7143 and 7149, than apply into the LCM equation.

GCF(7143,7149) = 3
LCM(7143,7149) = ( 7143 × 7149) / 3
LCM(7143,7149) = 51065307 / 3
LCM(7143,7149) = 17021769

Properties of LCM 7143 and 7149

(i) The LCM of 7149 and 7143 is associative

LCM of 7143 and 7149 = LCM of 7149 and 7143

Frequently Asked Questions on LCM of 7143 and 7149

1. What is the LCM of 7143 and 7149?

Answer: LCM of 7143 and 7149 is 17021769.

2. What are the Factors of 7143?

Answer: Factors of 7143 are 1, 3, 2381, 7143. There are 4 integers that are factors of 7143. The greatest factor of 7143 is 7143.

3. What are the Factors of 7149?

Answer: Factors of 7149 are 1, 3, 2383, 7149. There are 4 integers that are factors of 7149. The greatest factor of 7149 is 7149.

4. How to Find the LCM of 7143 and 7149?

Answer:

Least Common Multiple of 7143 and 7149 = 17021769

Step 1: Find the prime factorization of 7143

7143 = 3 x 2381

Step 2: Find the prime factorization of 7149

7149 = 3 x 2383

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

LCM = 17021769 = 3 x 2381 x 2383

Step 4: Therefore, the least common multiple of 7143 and 7149 is 17021769.