# What is the Least Common Multiple of 155 and 167?

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 155 and 167 is 25885.

LCM(155,167) = 25885

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## Least Common Multiple of 155 and 167 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 155 and 167, than apply into the LCM equation.

GCF(155,167) = 1
LCM(155,167) = ( 155 × 167) / 1
LCM(155,167) = 25885 / 1
LCM(155,167) = 25885

## Least Common Multiple (LCM) of 155 and 167 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 155 and 167. First we will calculate the prime factors of 155 and 167.

### Prime Factorization of 155

Prime factors of 155 are 5, 31. Prime factorization of 155 in exponential form is:

155 = 51 × 311

### Prime Factorization of 167

Prime factors of 167 are 167. Prime factorization of 167 in exponential form is:

167 = 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 155 and 167.

LCM(155,167) = 51 × 311 × 1671
LCM(155,167) = 25885