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What is the Least Common Multiple of 12460 and 12468?

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 12460 and 12468 is 38837820.

LCM(12460,12468) = 38837820

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Least Common Multiple of 12460 and 12468 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12460 and 12468, than apply into the LCM equation.

GCF(12460,12468) = 4
LCM(12460,12468) = ( 12460 × 12468) / 4
LCM(12460,12468) = 155351280 / 4
LCM(12460,12468) = 38837820

Least Common Multiple (LCM) of 12460 and 12468 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12460 and 12468. First we will calculate the prime factors of 12460 and 12468.

Prime Factorization of 12460

Prime factors of 12460 are 2, 5, 7, 89. Prime factorization of 12460 in exponential form is:

12460 = 22 × 51 × 71 × 891

Prime Factorization of 12468

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

12468 = 22 × 31 × 10391

Now multiplying the highest exponent prime factors to calculate the LCM of 12460 and 12468.

LCM(12460,12468) = 22 × 51 × 71 × 891 × 31 × 10391
LCM(12460,12468) = 38837820