# What is the Least Common Multiple of 131 and 149?

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 131 and 149 is 19519.

LCM(131,149) = 19519

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## Least Common Multiple of 131 and 149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 131 and 149, than apply into the LCM equation.

GCF(131,149) = 1
LCM(131,149) = ( 131 × 149) / 1
LCM(131,149) = 19519 / 1
LCM(131,149) = 19519

## Least Common Multiple (LCM) of 131 and 149 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 131 and 149. First we will calculate the prime factors of 131 and 149.

### Prime Factorization of 131

Prime factors of 131 are 131. Prime factorization of 131 in exponential form is:

131 = 1311

### Prime Factorization of 149

Prime factors of 149 are 149. Prime factorization of 149 in exponential form is:

149 = 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 131 and 149.

LCM(131,149) = 1311 × 1491
LCM(131,149) = 19519