# What is the Least Common Multiple of 135 and 153?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 135 and 153 is 2295.

LCM(135,153) = 2295

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## Least Common Multiple of 135 and 153 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 153, than apply into the LCM equation.

GCF(135,153) = 9
LCM(135,153) = ( 135 × 153) / 9
LCM(135,153) = 20655 / 9
LCM(135,153) = 2295

## Least Common Multiple (LCM) of 135 and 153 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 135 and 153. First we will calculate the prime factors of 135 and 153.

### Prime Factorization of 135

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

135 = 33 × 51

### Prime Factorization of 153

Prime factors of 153 are 3, 17. Prime factorization of 153 in exponential form is:

153 = 32 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 135 and 153.

LCM(135,153) = 33 × 51 × 171
LCM(135,153) = 2295