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What is the Least Common Multiple of 18380 and 18399?

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 18380 and 18399 is 338173620.

LCM(18380,18399) = 338173620

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Least Common Multiple of 18380 and 18399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18380 and 18399, than apply into the LCM equation.

GCF(18380,18399) = 1
LCM(18380,18399) = ( 18380 × 18399) / 1
LCM(18380,18399) = 338173620 / 1
LCM(18380,18399) = 338173620

Least Common Multiple (LCM) of 18380 and 18399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18380 and 18399. First we will calculate the prime factors of 18380 and 18399.

Prime Factorization of 18380

Prime factors of 18380 are 2, 5, 919. Prime factorization of 18380 in exponential form is:

18380 = 22 × 51 × 9191

Prime Factorization of 18399

Prime factors of 18399 are 3, 6133. Prime factorization of 18399 in exponential form is:

18399 = 31 × 61331

Now multiplying the highest exponent prime factors to calculate the LCM of 18380 and 18399.

LCM(18380,18399) = 22 × 51 × 9191 × 31 × 61331
LCM(18380,18399) = 338173620