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What is the Least Common Multiple of 12388 and 12404?

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 12388 and 12404 is 38415188.

LCM(12388,12404) = 38415188

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Least Common Multiple of 12388 and 12404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12388 and 12404, than apply into the LCM equation.

GCF(12388,12404) = 4
LCM(12388,12404) = ( 12388 × 12404) / 4
LCM(12388,12404) = 153660752 / 4
LCM(12388,12404) = 38415188

Least Common Multiple (LCM) of 12388 and 12404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12388 and 12404. First we will calculate the prime factors of 12388 and 12404.

Prime Factorization of 12388

Prime factors of 12388 are 2, 19, 163. Prime factorization of 12388 in exponential form is:

12388 = 22 × 191 × 1631

Prime Factorization of 12404

Prime factors of 12404 are 2, 7, 443. Prime factorization of 12404 in exponential form is:

12404 = 22 × 71 × 4431

Now multiplying the highest exponent prime factors to calculate the LCM of 12388 and 12404.

LCM(12388,12404) = 22 × 191 × 1631 × 71 × 4431
LCM(12388,12404) = 38415188