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What is the Least Common Multiple of 18375 and 18387?

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 18375 and 18387 is 112620375.

LCM(18375,18387) = 112620375

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Least Common Multiple of 18375 and 18387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18375 and 18387, than apply into the LCM equation.

GCF(18375,18387) = 3
LCM(18375,18387) = ( 18375 × 18387) / 3
LCM(18375,18387) = 337861125 / 3
LCM(18375,18387) = 112620375

Least Common Multiple (LCM) of 18375 and 18387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18375 and 18387. First we will calculate the prime factors of 18375 and 18387.

Prime Factorization of 18375

Prime factors of 18375 are 3, 5, 7. Prime factorization of 18375 in exponential form is:

18375 = 31 × 53 × 72

Prime Factorization of 18387

Prime factors of 18387 are 3, 227. Prime factorization of 18387 in exponential form is:

18387 = 34 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 18375 and 18387.

LCM(18375,18387) = 34 × 53 × 72 × 2271
LCM(18375,18387) = 112620375