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What is the Least Common Multiple of 18468 and 18488?

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 18468 and 18488 is 85359096.

LCM(18468,18488) = 85359096

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Least Common Multiple of 18468 and 18488 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18468 and 18488, than apply into the LCM equation.

GCF(18468,18488) = 4
LCM(18468,18488) = ( 18468 × 18488) / 4
LCM(18468,18488) = 341436384 / 4
LCM(18468,18488) = 85359096

Least Common Multiple (LCM) of 18468 and 18488 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18468 and 18488. First we will calculate the prime factors of 18468 and 18488.

Prime Factorization of 18468

Prime factors of 18468 are 2, 3, 19. Prime factorization of 18468 in exponential form is:

18468 = 22 × 35 × 191

Prime Factorization of 18488

Prime factors of 18488 are 2, 2311. Prime factorization of 18488 in exponential form is:

18488 = 23 × 23111

Now multiplying the highest exponent prime factors to calculate the LCM of 18468 and 18488.

LCM(18468,18488) = 23 × 35 × 191 × 23111
LCM(18468,18488) = 85359096