# What is the Least Common Multiple of 108 and 125?

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 108 and 125 is 13500.

LCM(108,125) = 13500

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## Least Common Multiple of 108 and 125 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 108 and 125, than apply into the LCM equation.

GCF(108,125) = 1
LCM(108,125) = ( 108 × 125) / 1
LCM(108,125) = 13500 / 1
LCM(108,125) = 13500

## Least Common Multiple (LCM) of 108 and 125 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 108 and 125. First we will calculate the prime factors of 108 and 125.

### Prime Factorization of 108

Prime factors of 108 are 2, 3. Prime factorization of 108 in exponential form is:

108 = 22 × 33

### Prime Factorization of 125

Prime factors of 125 are 5. Prime factorization of 125 in exponential form is:

125 = 53

Now multiplying the highest exponent prime factors to calculate the LCM of 108 and 125.

LCM(108,125) = 22 × 33 × 53
LCM(108,125) = 13500