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What is the Least Common Multiple of 180 and 194?

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 194 is 17460.

LCM(180,194) = 17460

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Least Common Multiple of 180 and 194 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 194, than apply into the LCM equation.

GCF(180,194) = 2
LCM(180,194) = ( 180 × 194) / 2
LCM(180,194) = 34920 / 2
LCM(180,194) = 17460

Least Common Multiple (LCM) of 180 and 194 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 180 and 194. First we will calculate the prime factors of 180 and 194.

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 194

Prime factors of 194 are 2, 97. Prime factorization of 194 in exponential form is:

194 = 21 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 180 and 194.

LCM(180,194) = 22 × 32 × 51 × 971
LCM(180,194) = 17460