Least Common Multiple of 133 and 138

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 133 and 138 the smallest integer that is 18354 that is divisible by both numbers.

Least Common Multiple (LCM) of 133 and 138 is 18354.

LCM(133,138) = 18354

LCM of 133 and 138

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

LCM of:
and

Least Common Multiple of 133 and 138

LCM of 133 and 138 is 18354

Least common multiple can be found by multiplying the highest exponent prime factors of 133 and 138. First we will calculate the prime factors of 133 and 138.

Prime Factorization of 133


7 133
19 19
1

Prime factors of 133 are 7,19. Prime factorization of 133 in exponential form is:

133 = 71×191

Prime Factorization of 138


2 138
3 69
23 23
1

Prime factors of 138 are 2, 3,23. Prime factorization of 138 in exponential form is:

138 = 21×31×231

Now multiplying the highest exponent prime factors to calculate the LCM of 133 and 138.

LCM(133,138) = 21×31×71×191×231
LCM(133,138) = 18354

Factors of 133

List of positive integer factors of 133 that divides 133 without a remainder.

1, 7, 19, 133

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138

Least Common Multiple of 133 and 138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 133 and 138, than apply into the LCM equation.

GCF(133,138) = 1
LCM(133,138) = ( 133 × 138) / 1
LCM(133,138) = 18354 / 1
LCM(133,138) = 18354

Properties of LCM 133 and 138

(i) The LCM of 138 and 133 is associative

LCM of 133 and 138 = LCM of 138 and 133

Related Least Common Multiples of 133

Related Least Common Multiples of 138

Frequently Asked Questions on LCM of 133 and 138

1. What is the LCM of 133 and 138?

Answer: LCM of 133 and 138 is 18354.

2. What are the Factors of 133?

Answer: Factors of 133 are 1, 7, 19, 133. There are 4 integers that are factors of 133. The greatest factor of 133 is 133.

3. What are the Factors of 138?

Answer: Factors of 138 are 1, 2, 3, 6, 23, 46, 69, 138. There are 8 integers that are factors of 138. The greatest factor of 138 is 138.

4. How to Find the LCM of 133 and 138?

Answer:

Least Common Multiple of 133 and 138 = 18354

Step 1: Find the prime factorization of 133

133 = 7 x 19

Step 2: Find the prime factorization of 138

138 = 2 x 3 x 23

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

LCM = 18354 = 2 x 3 x 7 x 19 x 23

Step 4: Therefore, the least common multiple of 133 and 138 is 18354.