# What is the Least Common Multiple of 173 and 183?

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 173 and 183 is 31659.

LCM(173,183) = 31659

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## Least Common Multiple of 173 and 183 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 173 and 183, than apply into the LCM equation.

GCF(173,183) = 1
LCM(173,183) = ( 173 × 183) / 1
LCM(173,183) = 31659 / 1
LCM(173,183) = 31659

## Least Common Multiple (LCM) of 173 and 183 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 173 and 183. First we will calculate the prime factors of 173 and 183.

### Prime Factorization of 173

Prime factors of 173 are 173. Prime factorization of 173 in exponential form is:

173 = 1731

### Prime Factorization of 183

Prime factors of 183 are 3, 61. Prime factorization of 183 in exponential form is:

183 = 31 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 173 and 183.

LCM(173,183) = 1731 × 31 × 611
LCM(173,183) = 31659

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