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What is the Least Common Multiple of 180 and 191?

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 180 and 191 is 34380.

LCM(180,191) = 34380

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Least Common Multiple of 180 and 191 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 180 and 191, than apply into the LCM equation.

GCF(180,191) = 1
LCM(180,191) = ( 180 × 191) / 1
LCM(180,191) = 34380 / 1
LCM(180,191) = 34380

Least Common Multiple (LCM) of 180 and 191 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 180 and 191. First we will calculate the prime factors of 180 and 191.

Prime Factorization of 180

Prime factors of 180 are 2, 3, 5. Prime factorization of 180 in exponential form is:

180 = 22 × 32 × 51

Prime Factorization of 191

Prime factors of 191 are 191. Prime factorization of 191 in exponential form is:

191 = 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 180 and 191.

LCM(180,191) = 22 × 32 × 51 × 1911
LCM(180,191) = 34380