Least Common Multiple of 143 and 149

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 143 and 149 the smallest integer that is 21307 that is divisible by both numbers.

Least Common Multiple (LCM) of 143 and 149 is 21307.

LCM(143,149) = 21307

LCM of 143 and 149

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

LCM of:
and

Least Common Multiple of 143 and 149

LCM of 143 and 149 is 21307

Least common multiple can be found by multiplying the highest exponent prime factors of 143 and 149. First we will calculate the prime factors of 143 and 149.

Prime Factorization of 143


11 143
13 13
1

Prime factors of 143 are 11,13. Prime factorization of 143 in exponential form is:

143 = 111×131

Prime Factorization of 149


149 149
1

Prime factors of 149 are 149. Prime factorization of 149 in exponential form is:

149 = 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 143 and 149.

LCM(143,149) = 111×131×1491
LCM(143,149) = 21307

Factors of 143

List of positive integer factors of 143 that divides 143 without a remainder.

1, 11, 13, 143

Factors of 149

List of positive integer factors of 149 that divides 149 without a remainder.

1, 149

Least Common Multiple of 143 and 149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 143 and 149, than apply into the LCM equation.

GCF(143,149) = 1
LCM(143,149) = ( 143 × 149) / 1
LCM(143,149) = 21307 / 1
LCM(143,149) = 21307

Properties of LCM 143 and 149

(i) The LCM of 149 and 143 is associative

LCM of 143 and 149 = LCM of 149 and 143

Frequently Asked Questions on LCM of 143 and 149

1. What is the LCM of 143 and 149?

Answer: LCM of 143 and 149 is 21307.

2. What are the Factors of 143?

Answer: Factors of 143 are 1, 11, 13, 143. There are 4 integers that are factors of 143. The greatest factor of 143 is 143.

3. What are the Factors of 149?

Answer: Factors of 149 are 1, 149. There are 2 integers that are factors of 149. The greatest factor of 149 is 149.

4. How to Find the LCM of 143 and 149?

Answer:

Least Common Multiple of 143 and 149 = 21307

Step 1: Find the prime factorization of 143

143 = 11 x 13

Step 2: Find the prime factorization of 149

149 = 149

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

LCM = 21307 = 11 x 13 x 149

Step 4: Therefore, the least common multiple of 143 and 149 is 21307.