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What is the Least Common Multiple of 18384 and 18388?

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 18384 and 18388 is 84511248.

LCM(18384,18388) = 84511248

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Least Common Multiple of 18384 and 18388 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18384 and 18388, than apply into the LCM equation.

GCF(18384,18388) = 4
LCM(18384,18388) = ( 18384 × 18388) / 4
LCM(18384,18388) = 338044992 / 4
LCM(18384,18388) = 84511248

Least Common Multiple (LCM) of 18384 and 18388 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18384 and 18388. First we will calculate the prime factors of 18384 and 18388.

Prime Factorization of 18384

Prime factors of 18384 are 2, 3, 383. Prime factorization of 18384 in exponential form is:

18384 = 24 × 31 × 3831

Prime Factorization of 18388

Prime factors of 18388 are 2, 4597. Prime factorization of 18388 in exponential form is:

18388 = 22 × 45971

Now multiplying the highest exponent prime factors to calculate the LCM of 18384 and 18388.

LCM(18384,18388) = 24 × 31 × 3831 × 45971
LCM(18384,18388) = 84511248