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What is the Least Common Multiple of 12150 and 12165?

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 12150 and 12165 is 9853650.

LCM(12150,12165) = 9853650

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Least Common Multiple of 12150 and 12165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12150 and 12165, than apply into the LCM equation.

GCF(12150,12165) = 15
LCM(12150,12165) = ( 12150 × 12165) / 15
LCM(12150,12165) = 147804750 / 15
LCM(12150,12165) = 9853650

Least Common Multiple (LCM) of 12150 and 12165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12150 and 12165. First we will calculate the prime factors of 12150 and 12165.

Prime Factorization of 12150

Prime factors of 12150 are 2, 3, 5. Prime factorization of 12150 in exponential form is:

12150 = 21 × 35 × 52

Prime Factorization of 12165

Prime factors of 12165 are 3, 5, 811. Prime factorization of 12165 in exponential form is:

12165 = 31 × 51 × 8111

Now multiplying the highest exponent prime factors to calculate the LCM of 12150 and 12165.

LCM(12150,12165) = 21 × 35 × 52 × 8111
LCM(12150,12165) = 9853650