# What is the Least Common Multiple of 109 and 129?

*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 109 and 129 is **14061**.

LCM(109,129) = 14061

## Least Common Multiple of 109 and 129 with GCF Formula

The formula of **LCM** is LCM(a,b) = ( a × b) / GCF(a,b).

We need to calculate greatest common factor 109 and 129, than apply into the LCM equation.

GCF(109,129) = 1

LCM(109,129) = ( 109 × 129) / 1

LCM(109,129) = 14061 / 1

LCM(109,129) = 14061

## Least Common Multiple (LCM) of 109 and 129 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 109 and 129. First we will calculate the **prime factors of 109 and 129**.

### Prime Factorization of 109

Prime factors of 109 are 109. Prime factorization of **109** in exponential form is:

109 = 109^{1}

### Prime Factorization of 129

Prime factors of 129 are 3, 43. Prime factorization of **129** in exponential form is:

129 = 3^{1} × 43^{1}

Now multiplying the highest exponent prime factors to calculate the **LCM of 109 and 129**.

LCM(109,129) = 109^{1} × 3^{1} × 43^{1}

LCM(109,129) = 14061

#### Related Least Common Multiples of 109

- LCM of 109 and 113
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#### Related Least Common Multiples of 129

- LCM of 129 and 133
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