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What is the Least Common Multiple of 182 and 189?

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 182 and 189 is 4914.

LCM(182,189) = 4914

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Least Common Multiple of 182 and 189 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 182 and 189, than apply into the LCM equation.

GCF(182,189) = 7
LCM(182,189) = ( 182 × 189) / 7
LCM(182,189) = 34398 / 7
LCM(182,189) = 4914

Least Common Multiple (LCM) of 182 and 189 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 182 and 189. First we will calculate the prime factors of 182 and 189.

Prime Factorization of 182

Prime factors of 182 are 2, 7, 13. Prime factorization of 182 in exponential form is:

182 = 21 × 71 × 131

Prime Factorization of 189

Prime factors of 189 are 3, 7. Prime factorization of 189 in exponential form is:

189 = 33 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 182 and 189.

LCM(182,189) = 21 × 71 × 131 × 33
LCM(182,189) = 4914