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What is the Least Common Multiple of 12468 and 12487?

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 12468 and 12487 is 155687916.

LCM(12468,12487) = 155687916

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Least Common Multiple of 12468 and 12487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12468 and 12487, than apply into the LCM equation.

GCF(12468,12487) = 1
LCM(12468,12487) = ( 12468 × 12487) / 1
LCM(12468,12487) = 155687916 / 1
LCM(12468,12487) = 155687916

Least Common Multiple (LCM) of 12468 and 12487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12468 and 12487. First we will calculate the prime factors of 12468 and 12487.

Prime Factorization of 12468

Prime factors of 12468 are 2, 3, 1039. Prime factorization of 12468 in exponential form is:

12468 = 22 × 31 × 10391

Prime Factorization of 12487

Prime factors of 12487 are 12487. Prime factorization of 12487 in exponential form is:

12487 = 124871

Now multiplying the highest exponent prime factors to calculate the LCM of 12468 and 12487.

LCM(12468,12487) = 22 × 31 × 10391 × 124871
LCM(12468,12487) = 155687916