# What is the Least Common Multiple of 106 and 120?

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 106 and 120 is 6360.

LCM(106,120) = 6360

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## Least Common Multiple of 106 and 120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 106 and 120, than apply into the LCM equation.

GCF(106,120) = 2
LCM(106,120) = ( 106 × 120) / 2
LCM(106,120) = 12720 / 2
LCM(106,120) = 6360

## Least Common Multiple (LCM) of 106 and 120 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 106 and 120. First we will calculate the prime factors of 106 and 120.

### Prime Factorization of 106

Prime factors of 106 are 2, 53. Prime factorization of 106 in exponential form is:

106 = 21 × 531

### Prime Factorization of 120

Prime factors of 120 are 2, 3, 5. Prime factorization of 120 in exponential form is:

120 = 23 × 31 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 106 and 120.

LCM(106,120) = 23 × 531 × 31 × 51
LCM(106,120) = 6360